Worksheet featuring five fraction-based order of operations problems with brackets, designed for practice in arithmetic and algebraic simplification.
Math worksheet with five fractions and order of operations problems involving brackets, exponents, and mixed numbers.
PNG
794×1053
14 KB
Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #483742
⭐
Show Answer Key & Explanations
Step-by-step solution for: Canada five fractions, order of operations with brackets Math ...
▼
Show Answer Key & Explanations
Step-by-step solution for: Canada five fractions, order of operations with brackets Math ...
Let's solve each of these problems step by step, following the order of operations (PEMDAS/BODMAS):
Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).
We'll go through each expression one at a time.
---
$$
(3 - \frac{1}{3})^2 - \frac{3}{5} \times \frac{1}{5} - 4^2
$$
Step 1: Simplify inside parentheses:
$$
3 - \frac{1}{3} = \frac{9}{3} - \frac{1}{3} = \frac{8}{3}
$$
Step 2: Square it:
$$
\left(\frac{8}{3}\right)^2 = \frac{64}{9}
$$
Step 3: Compute multiplication:
$$
\frac{3}{5} \times \frac{1}{5} = \frac{3}{25}
$$
Step 4: Compute exponent:
$$
4^2 = 16
$$
Now substitute:
$$
\frac{64}{9} - \frac{3}{25} - 16
$$
Convert all to common denominator (LCM of 9, 25, 1 is 225):
- $\frac{64}{9} = \frac{64 \times 25}{225} = \frac{1600}{225}$
- $\frac{3}{25} = \frac{3 \times 9}{225} = \frac{27}{225}$
- $16 = \frac{3600}{225}$
Now compute:
$$
\frac{1600}{225} - \frac{27}{225} - \frac{3600}{225} = \frac{1600 - 27 - 3600}{225} = \frac{-2027}{225}
$$
✔ Answer: $-\frac{2027}{225}$
---
$$
\left(\frac{2}{5} - \left(\frac{2}{3}\right)^2\right) \times \frac{1}{2} - \left(\frac{3}{2} - \frac{1}{2}\right)^2
$$
Step 1: Compute exponents:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: Subtract inside first parentheses:
$$
\frac{2}{5} - \frac{4}{9} = \frac{18}{45} - \frac{20}{45} = -\frac{2}{45}
$$
Step 3: Multiply by $\frac{1}{2}$:
$$
-\frac{2}{45} \times \frac{1}{2} = -\frac{2}{90} = -\frac{1}{45}
$$
Step 4: Simplify second parentheses:
$$
\frac{3}{2} - \frac{1}{2} = 1 \Rightarrow 1^2 = 1
$$
Now subtract:
$$
-\frac{1}{45} - 1 = -\frac{1}{45} - \frac{45}{45} = -\frac{46}{45}
$$
✔ Answer: $-\frac{46}{45}$
---
$$
(5 + \frac{1}{2})^2 - \frac{1}{3} \times 4^2 \times \frac{3}{4}
$$
Step 1: Add inside parentheses:
$$
5 + \frac{1}{2} = \frac{11}{2}
$$
Step 2: Square:
$$
\left(\frac{11}{2}\right)^2 = \frac{121}{4}
$$
Step 3: Compute $4^2 = 16$
Now compute multiplication:
$$
\frac{1}{3} \times 16 \times \frac{3}{4} = \frac{1}{3} \times \frac{3}{4} \times 16 = \left(\frac{1}{3} \cdot \frac{3}{4}\right) \cdot 16 = \frac{1}{4} \cdot 16 = 4
$$
Now subtract:
$$
\frac{121}{4} - 4 = \frac{121}{4} - \frac{16}{4} = \frac{105}{4}
$$
✔ Answer: $\frac{105}{4}$
---
$$
\left(\frac{3}{2} - \frac{1}{2}\right)^2 + \frac{1}{2}\left(\frac{1}{3} - \left(\frac{3}{2}\right)^2\right)
$$
Step 1: First parentheses:
$$
\frac{3}{2} - \frac{1}{2} = 1 \Rightarrow 1^2 = 1
$$
Step 2: Compute $\left(\frac{3}{2}\right)^2 = \frac{9}{4}$
Step 3: Inside second parentheses:
$$
\frac{1}{3} - \frac{9}{4} = \frac{4}{12} - \frac{27}{12} = -\frac{23}{12}
$$
Step 4: Multiply by $\frac{1}{2}$:
$$
\frac{1}{2} \times -\frac{23}{12} = -\frac{23}{24}
$$
Now add:
$$
1 + (-\frac{23}{24}) = \frac{24}{24} - \frac{23}{24} = \frac{1}{24}
$$
✔ Answer: $\frac{1}{24}$
---
$$
\left(\frac{2}{3} + \left(\frac{3}{4}\right)^2\right) \times \frac{1}{2} + \left(\frac{1}{3} - \frac{1}{5}\right)^2
$$
Step 1: Compute $\left(\frac{3}{4}\right)^2 = \frac{9}{16}$
Add:
$$
\frac{2}{3} + \frac{9}{16} = \frac{32}{48} + \frac{27}{48} = \frac{59}{48}
$$
Multiply by $\frac{1}{2}$:
$$
\frac{59}{48} \times \frac{1}{2} = \frac{59}{96}
$$
Step 2: $\frac{1}{3} - \frac{1}{5} = \frac{5}{15} - \frac{3}{15} = \frac{2}{15}$
Square:
$$
\left(\frac{2}{15}\right)^2 = \frac{4}{225}
$$
Now add:
$$
\frac{59}{96} + \frac{4}{225}
$$
Find LCM of 96 and 225.
Prime factors:
- 96 = $2^5 \times 3$
- 225 = $3^2 \times 5^2$
LCM = $2^5 \times 3^2 \times 5^2 = 32 \times 9 \times 25 = 7200$
Convert:
- $\frac{59}{96} = \frac{59 \times 75}{7200} = \frac{4425}{7200}$
- $\frac{4}{225} = \frac{4 \times 32}{7200} = \frac{128}{7200}$
Add:
$$
\frac{4425 + 128}{7200} = \frac{4553}{7200}
$$
✔ Answer: $\frac{4553}{7200}$
---
$$
(3 + \frac{3}{2})^2 - \frac{3}{5} - 3^2 \times \frac{2}{5}
$$
Step 1: Add:
$$
3 + \frac{3}{2} = \frac{6}{2} + \frac{3}{2} = \frac{9}{2}
$$
Square:
$$
\left(\frac{9}{2}\right)^2 = \frac{81}{4}
$$
Step 2: $3^2 = 9$, then:
$$
9 \times \frac{2}{5} = \frac{18}{5}
$$
Now expression becomes:
$$
\frac{81}{4} - \frac{3}{5} - \frac{18}{5}
$$
Combine like terms:
$$
\frac{81}{4} - \left(\frac{3}{5} + \frac{18}{5}\right) = \frac{81}{4} - \frac{21}{5}
$$
LCM of 4 and 5 is 20:
- $\frac{81}{4} = \frac{405}{20}$
- $\frac{21}{5} = \frac{84}{20}$
Subtract:
$$
\frac{405 - 84}{20} = \frac{321}{20}
$$
✔ Answer: $\frac{321}{20}$
---
$$
(5 + \frac{1}{4})^2 - \frac{1}{3} + \frac{3}{4} \times 3^2
$$
Step 1: $5 + \frac{1}{4} = \frac{21}{4}$
Square:
$$
\left(\frac{21}{4}\right)^2 = \frac{441}{16}
$$
Step 2: $3^2 = 9$
Then: $\frac{3}{4} \times 9 = \frac{27}{4}$
Now expression:
$$
\frac{441}{16} - \frac{1}{3} + \frac{27}{4}
$$
Convert all to denominator 48 (LCM of 16, 3, 4):
- $\frac{441}{16} = \frac{441 \times 3}{48} = \frac{1323}{48}$
- $\frac{1}{3} = \frac{16}{48}$
- $\frac{27}{4} = \frac{27 \times 12}{48} = \frac{324}{48}$
Now:
$$
\frac{1323}{48} - \frac{16}{48} + \frac{324}{48} = \frac{1323 - 16 + 324}{48} = \frac{1631}{48}
$$
✔ Answer: $\frac{1631}{48}$
---
$$
\left((\frac{3}{4})^2 - \frac{1}{2}\right) \times \frac{3}{2} - \left(\frac{3}{2} + \frac{1}{2}\right)^2
$$
Step 1: $(\frac{3}{4})^2 = \frac{9}{16}$
Then:
$$
\frac{9}{16} - \frac{1}{2} = \frac{9}{16} - \frac{8}{16} = \frac{1}{16}
$$
Multiply by $\frac{3}{2}$:
$$
\frac{1}{16} \times \frac{3}{2} = \frac{3}{32}
$$
Step 2: $\frac{3}{2} + \frac{1}{2} = 2 \Rightarrow 2^2 = 4$
Now subtract:
$$
\frac{3}{32} - 4 = \frac{3}{32} - \frac{128}{32} = -\frac{125}{32}
$$
✔ Answer: $-\frac{125}{32}$
---
$$
(\frac{1}{6} + \frac{1}{2})^2 + \frac{1}{3} \cdot \frac{3}{2} + (\frac{2}{5})^2
$$
Step 1: $\frac{1}{6} + \frac{1}{2} = \frac{1}{6} + \frac{3}{6} = \frac{4}{6} = \frac{2}{3}$
Square:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: $\frac{1}{3} \cdot \frac{3}{2} = \frac{3}{6} = \frac{1}{2}$
Step 3: $(\frac{2}{5})^2 = \frac{4}{25}$
Now add:
$$
\frac{4}{9} + \frac{1}{2} + \frac{4}{25}
$$
Find LCM of 9, 2, 25 → LCM = $2 \times 3^2 \times 5^2 = 450$
Convert:
- $\frac{4}{9} = \frac{4 \times 50}{450} = \frac{200}{450}$
- $\frac{1}{2} = \frac{225}{450}$
- $\frac{4}{25} = \frac{4 \times 18}{450} = \frac{72}{450}$
Add:
$$
\frac{200 + 225 + 72}{450} = \frac{497}{450}
$$
✔ Answer: $\frac{497}{450}$
---
$$
(\frac{1}{3} + \frac{1}{3})^2 - \frac{1}{5}(\frac{1}{5} + (\frac{3}{4})^2)
$$
Step 1: $\frac{1}{3} + \frac{1}{3} = \frac{2}{3}$
Square:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: $(\frac{3}{4})^2 = \frac{9}{16}$
Then:
$$
\frac{1}{5} + \frac{9}{16} = \frac{16}{80} + \frac{45}{80} = \frac{61}{80}
$$
Now multiply by $\frac{1}{5}$:
$$
\frac{1}{5} \times \frac{61}{80} = \frac{61}{400}
$$
Now subtract:
$$
\frac{4}{9} - \frac{61}{400}
$$
LCM of 9 and 400 = 3600
- $\frac{4}{9} = \frac{4 \times 400}{3600} = \frac{1600}{3600}$
- $\frac{61}{400} = \frac{61 \times 9}{3600} = \frac{549}{3600}$
Subtract:
$$
\frac{1600 - 549}{3600} = \frac{1051}{3600}
$$
✔ Answer: $\frac{1051}{3600}$
---
| Problem | Answer |
|--------|--------|
| 1 | $-\frac{2027}{225}$ |
| 2 | $-\frac{46}{45}$ |
| 3 | $\frac{105}{4}$ |
| 4 | $\frac{1}{24}$ |
| 5 | $\frac{4553}{7200}$ |
| 6 | $\frac{321}{20}$ |
| 7 | $\frac{1631}{48}$ |
| 8 | $-\frac{125}{32}$ |
| 9 | $\frac{497}{450}$ |
| 10 | $\frac{1051}{3600}$ |
Let me know if you'd like them as mixed numbers or decimals!
Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).
We'll go through each expression one at a time.
---
1.
$$
(3 - \frac{1}{3})^2 - \frac{3}{5} \times \frac{1}{5} - 4^2
$$
Step 1: Simplify inside parentheses:
$$
3 - \frac{1}{3} = \frac{9}{3} - \frac{1}{3} = \frac{8}{3}
$$
Step 2: Square it:
$$
\left(\frac{8}{3}\right)^2 = \frac{64}{9}
$$
Step 3: Compute multiplication:
$$
\frac{3}{5} \times \frac{1}{5} = \frac{3}{25}
$$
Step 4: Compute exponent:
$$
4^2 = 16
$$
Now substitute:
$$
\frac{64}{9} - \frac{3}{25} - 16
$$
Convert all to common denominator (LCM of 9, 25, 1 is 225):
- $\frac{64}{9} = \frac{64 \times 25}{225} = \frac{1600}{225}$
- $\frac{3}{25} = \frac{3 \times 9}{225} = \frac{27}{225}$
- $16 = \frac{3600}{225}$
Now compute:
$$
\frac{1600}{225} - \frac{27}{225} - \frac{3600}{225} = \frac{1600 - 27 - 3600}{225} = \frac{-2027}{225}
$$
✔ Answer: $-\frac{2027}{225}$
---
2.
$$
\left(\frac{2}{5} - \left(\frac{2}{3}\right)^2\right) \times \frac{1}{2} - \left(\frac{3}{2} - \frac{1}{2}\right)^2
$$
Step 1: Compute exponents:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: Subtract inside first parentheses:
$$
\frac{2}{5} - \frac{4}{9} = \frac{18}{45} - \frac{20}{45} = -\frac{2}{45}
$$
Step 3: Multiply by $\frac{1}{2}$:
$$
-\frac{2}{45} \times \frac{1}{2} = -\frac{2}{90} = -\frac{1}{45}
$$
Step 4: Simplify second parentheses:
$$
\frac{3}{2} - \frac{1}{2} = 1 \Rightarrow 1^2 = 1
$$
Now subtract:
$$
-\frac{1}{45} - 1 = -\frac{1}{45} - \frac{45}{45} = -\frac{46}{45}
$$
✔ Answer: $-\frac{46}{45}$
---
3.
$$
(5 + \frac{1}{2})^2 - \frac{1}{3} \times 4^2 \times \frac{3}{4}
$$
Step 1: Add inside parentheses:
$$
5 + \frac{1}{2} = \frac{11}{2}
$$
Step 2: Square:
$$
\left(\frac{11}{2}\right)^2 = \frac{121}{4}
$$
Step 3: Compute $4^2 = 16$
Now compute multiplication:
$$
\frac{1}{3} \times 16 \times \frac{3}{4} = \frac{1}{3} \times \frac{3}{4} \times 16 = \left(\frac{1}{3} \cdot \frac{3}{4}\right) \cdot 16 = \frac{1}{4} \cdot 16 = 4
$$
Now subtract:
$$
\frac{121}{4} - 4 = \frac{121}{4} - \frac{16}{4} = \frac{105}{4}
$$
✔ Answer: $\frac{105}{4}$
---
4.
$$
\left(\frac{3}{2} - \frac{1}{2}\right)^2 + \frac{1}{2}\left(\frac{1}{3} - \left(\frac{3}{2}\right)^2\right)
$$
Step 1: First parentheses:
$$
\frac{3}{2} - \frac{1}{2} = 1 \Rightarrow 1^2 = 1
$$
Step 2: Compute $\left(\frac{3}{2}\right)^2 = \frac{9}{4}$
Step 3: Inside second parentheses:
$$
\frac{1}{3} - \frac{9}{4} = \frac{4}{12} - \frac{27}{12} = -\frac{23}{12}
$$
Step 4: Multiply by $\frac{1}{2}$:
$$
\frac{1}{2} \times -\frac{23}{12} = -\frac{23}{24}
$$
Now add:
$$
1 + (-\frac{23}{24}) = \frac{24}{24} - \frac{23}{24} = \frac{1}{24}
$$
✔ Answer: $\frac{1}{24}$
---
5.
$$
\left(\frac{2}{3} + \left(\frac{3}{4}\right)^2\right) \times \frac{1}{2} + \left(\frac{1}{3} - \frac{1}{5}\right)^2
$$
Step 1: Compute $\left(\frac{3}{4}\right)^2 = \frac{9}{16}$
Add:
$$
\frac{2}{3} + \frac{9}{16} = \frac{32}{48} + \frac{27}{48} = \frac{59}{48}
$$
Multiply by $\frac{1}{2}$:
$$
\frac{59}{48} \times \frac{1}{2} = \frac{59}{96}
$$
Step 2: $\frac{1}{3} - \frac{1}{5} = \frac{5}{15} - \frac{3}{15} = \frac{2}{15}$
Square:
$$
\left(\frac{2}{15}\right)^2 = \frac{4}{225}
$$
Now add:
$$
\frac{59}{96} + \frac{4}{225}
$$
Find LCM of 96 and 225.
Prime factors:
- 96 = $2^5 \times 3$
- 225 = $3^2 \times 5^2$
LCM = $2^5 \times 3^2 \times 5^2 = 32 \times 9 \times 25 = 7200$
Convert:
- $\frac{59}{96} = \frac{59 \times 75}{7200} = \frac{4425}{7200}$
- $\frac{4}{225} = \frac{4 \times 32}{7200} = \frac{128}{7200}$
Add:
$$
\frac{4425 + 128}{7200} = \frac{4553}{7200}
$$
✔ Answer: $\frac{4553}{7200}$
---
6.
$$
(3 + \frac{3}{2})^2 - \frac{3}{5} - 3^2 \times \frac{2}{5}
$$
Step 1: Add:
$$
3 + \frac{3}{2} = \frac{6}{2} + \frac{3}{2} = \frac{9}{2}
$$
Square:
$$
\left(\frac{9}{2}\right)^2 = \frac{81}{4}
$$
Step 2: $3^2 = 9$, then:
$$
9 \times \frac{2}{5} = \frac{18}{5}
$$
Now expression becomes:
$$
\frac{81}{4} - \frac{3}{5} - \frac{18}{5}
$$
Combine like terms:
$$
\frac{81}{4} - \left(\frac{3}{5} + \frac{18}{5}\right) = \frac{81}{4} - \frac{21}{5}
$$
LCM of 4 and 5 is 20:
- $\frac{81}{4} = \frac{405}{20}$
- $\frac{21}{5} = \frac{84}{20}$
Subtract:
$$
\frac{405 - 84}{20} = \frac{321}{20}
$$
✔ Answer: $\frac{321}{20}$
---
7.
$$
(5 + \frac{1}{4})^2 - \frac{1}{3} + \frac{3}{4} \times 3^2
$$
Step 1: $5 + \frac{1}{4} = \frac{21}{4}$
Square:
$$
\left(\frac{21}{4}\right)^2 = \frac{441}{16}
$$
Step 2: $3^2 = 9$
Then: $\frac{3}{4} \times 9 = \frac{27}{4}$
Now expression:
$$
\frac{441}{16} - \frac{1}{3} + \frac{27}{4}
$$
Convert all to denominator 48 (LCM of 16, 3, 4):
- $\frac{441}{16} = \frac{441 \times 3}{48} = \frac{1323}{48}$
- $\frac{1}{3} = \frac{16}{48}$
- $\frac{27}{4} = \frac{27 \times 12}{48} = \frac{324}{48}$
Now:
$$
\frac{1323}{48} - \frac{16}{48} + \frac{324}{48} = \frac{1323 - 16 + 324}{48} = \frac{1631}{48}
$$
✔ Answer: $\frac{1631}{48}$
---
8.
$$
\left((\frac{3}{4})^2 - \frac{1}{2}\right) \times \frac{3}{2} - \left(\frac{3}{2} + \frac{1}{2}\right)^2
$$
Step 1: $(\frac{3}{4})^2 = \frac{9}{16}$
Then:
$$
\frac{9}{16} - \frac{1}{2} = \frac{9}{16} - \frac{8}{16} = \frac{1}{16}
$$
Multiply by $\frac{3}{2}$:
$$
\frac{1}{16} \times \frac{3}{2} = \frac{3}{32}
$$
Step 2: $\frac{3}{2} + \frac{1}{2} = 2 \Rightarrow 2^2 = 4$
Now subtract:
$$
\frac{3}{32} - 4 = \frac{3}{32} - \frac{128}{32} = -\frac{125}{32}
$$
✔ Answer: $-\frac{125}{32}$
---
9.
$$
(\frac{1}{6} + \frac{1}{2})^2 + \frac{1}{3} \cdot \frac{3}{2} + (\frac{2}{5})^2
$$
Step 1: $\frac{1}{6} + \frac{1}{2} = \frac{1}{6} + \frac{3}{6} = \frac{4}{6} = \frac{2}{3}$
Square:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: $\frac{1}{3} \cdot \frac{3}{2} = \frac{3}{6} = \frac{1}{2}$
Step 3: $(\frac{2}{5})^2 = \frac{4}{25}$
Now add:
$$
\frac{4}{9} + \frac{1}{2} + \frac{4}{25}
$$
Find LCM of 9, 2, 25 → LCM = $2 \times 3^2 \times 5^2 = 450$
Convert:
- $\frac{4}{9} = \frac{4 \times 50}{450} = \frac{200}{450}$
- $\frac{1}{2} = \frac{225}{450}$
- $\frac{4}{25} = \frac{4 \times 18}{450} = \frac{72}{450}$
Add:
$$
\frac{200 + 225 + 72}{450} = \frac{497}{450}
$$
✔ Answer: $\frac{497}{450}$
---
10.
$$
(\frac{1}{3} + \frac{1}{3})^2 - \frac{1}{5}(\frac{1}{5} + (\frac{3}{4})^2)
$$
Step 1: $\frac{1}{3} + \frac{1}{3} = \frac{2}{3}$
Square:
$$
\left(\frac{2}{3}\right)^2 = \frac{4}{9}
$$
Step 2: $(\frac{3}{4})^2 = \frac{9}{16}$
Then:
$$
\frac{1}{5} + \frac{9}{16} = \frac{16}{80} + \frac{45}{80} = \frac{61}{80}
$$
Now multiply by $\frac{1}{5}$:
$$
\frac{1}{5} \times \frac{61}{80} = \frac{61}{400}
$$
Now subtract:
$$
\frac{4}{9} - \frac{61}{400}
$$
LCM of 9 and 400 = 3600
- $\frac{4}{9} = \frac{4 \times 400}{3600} = \frac{1600}{3600}$
- $\frac{61}{400} = \frac{61 \times 9}{3600} = \frac{549}{3600}$
Subtract:
$$
\frac{1600 - 549}{3600} = \frac{1051}{3600}
$$
✔ Answer: $\frac{1051}{3600}$
---
✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1 | $-\frac{2027}{225}$ |
| 2 | $-\frac{46}{45}$ |
| 3 | $\frac{105}{4}$ |
| 4 | $\frac{1}{24}$ |
| 5 | $\frac{4553}{7200}$ |
| 6 | $\frac{321}{20}$ |
| 7 | $\frac{1631}{48}$ |
| 8 | $-\frac{125}{32}$ |
| 9 | $\frac{497}{450}$ |
| 10 | $\frac{1051}{3600}$ |
Let me know if you'd like them as mixed numbers or decimals!
Parent Tip: Review the logic above to help your child master the concept of order of operations fractions worksheet.