Free. Exclusive. Just for you.
Four unique services that make learning easier, faster, and smarter - only on our website.

Fraction arithmetic practice sheet with addition and subtraction equations.

Worksheet with fraction addition and subtraction problems for students to solve.

Worksheet with fraction addition and subtraction problems for students to solve.

JPG 144×186 7.3 KB Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #383807
Show Answer Key & Explanations Step-by-step solution for: Third Grade Math Worksheets - Twisty Noodle
To solve the given problems, we need to perform arithmetic operations on fractions. The operations include addition and subtraction. Let's solve each problem step by step.

Problem 1: $\frac{2}{3} - \frac{1}{5}$



1. Find a common denominator: The denominators are 3 and 5. The least common denominator (LCD) is 15.
2. Convert fractions:
- $\frac{2}{3} = \frac{2 \times 5}{3 \times 5} = \frac{10}{15}$
- $\frac{1}{5} = \frac{1 \times 3}{5 \times 3} = \frac{3}{15}$
3. Subtract the fractions:
$$
\frac{10}{15} - \frac{3}{15} = \frac{10 - 3}{15} = \frac{7}{15}
$$

Answer: $\frac{7}{15}$

---

Problem 2: $\frac{4}{9} - \frac{1}{9}$



1. Common denominator: Both fractions already have the same denominator (9).
2. Subtract the numerators:
$$
\frac{4}{9} - \frac{1}{9} = \frac{4 - 1}{9} = \frac{3}{9}
$$
3. Simplify:
$$
\frac{3}{9} = \frac{1}{3}
$$

Answer: $\frac{1}{3}$

---

Problem 3: $\frac{3}{7} + \frac{1}{7}$



1. Common denominator: Both fractions already have the same denominator (7).
2. Add the numerators:
$$
\frac{3}{7} + \frac{1}{7} = \frac{3 + 1}{7} = \frac{4}{7}
$$

Answer: $\frac{4}{7}$

---

Problem 4: $\frac{7}{10} - \frac{4}{10}$



1. Common denominator: Both fractions already have the same denominator (10).
2. Subtract the numerators:
$$
\frac{7}{10} - \frac{4}{10} = \frac{7 - 4}{10} = \frac{3}{10}
$$

Answer: $\frac{3}{10}$

---

Problem 5: $\frac{4}{8} - \frac{1}{6}$



1. Find a common denominator: The denominators are 8 and 6. The LCD is 24.
2. Convert fractions:
- $\frac{4}{8} = \frac{4 \times 3}{8 \times 3} = \frac{12}{24}$
- $\frac{1}{6} = \frac{1 \times 4}{6 \times 4} = \frac{4}{24}$
3. Subtract the fractions:
$$
\frac{12}{24} - \frac{4}{24} = \frac{12 - 4}{24} = \frac{8}{24}
$$
4. Simplify:
$$
\frac{8}{24} = \frac{1}{3}
$$

Answer: $\frac{1}{3}$

---

Problem 6: $\frac{2}{4} + \frac{1}{4}$



1. Common denominator: Both fractions already have the same denominator (4).
2. Add the numerators:
$$
\frac{2}{4} + \frac{1}{4} = \frac{2 + 1}{4} = \frac{3}{4}
$$

Answer: $\frac{3}{4}$

---

Problem 7: $\frac{1}{3} + \frac{1}{3}$



1. Common denominator: Both fractions already have the same denominator (3).
2. Add the numerators:
$$
\frac{1}{3} + \frac{1}{3} = \frac{1 + 1}{3} = \frac{2}{3}
$$

Answer: $\frac{2}{3}$

---

Problem 8: $\frac{3}{8} - \frac{1}{8}$



1. Common denominator: Both fractions already have the same denominator (8).
2. Subtract the numerators:
$$
\frac{3}{8} - \frac{1}{8} = \frac{3 - 1}{8} = \frac{2}{8}
$$
3. Simplify:
$$
\frac{2}{8} = \frac{1}{4}
$$

Answer: $\frac{1}{4}$

---

Problem 9: $\frac{4}{12} - \frac{12}{12}$



1. Common denominator: Both fractions already have the same denominator (12).
2. Subtract the numerators:
$$
\frac{4}{12} - \frac{12}{12} = \frac{4 - 12}{12} = \frac{-8}{12}
$$
3. Simplify:
$$
\frac{-8}{12} = \frac{-2}{3}
$$

Answer: $-\frac{2}{3}$

---

Problem 10: $\frac{3}{6} + \frac{6}{6}$



1. Common denominator: Both fractions already have the same denominator (6).
2. Add the numerators:
$$
\frac{3}{6} + \frac{6}{6} = \frac{3 + 6}{6} = \frac{9}{6}
$$
3. Simplify:
$$
\frac{9}{6} = \frac{3}{2}
$$

Answer: $\frac{3}{2}$

---

Final Answers:


$$
\boxed{
\begin{aligned}
&\frac{7}{15}, \quad \frac{1}{3}, \quad \frac{4}{7}, \quad \frac{3}{10}, \quad \frac{1}{3}, \quad \frac{3}{4}, \quad \frac{2}{3}, \quad \frac{1}{4}, \quad -\frac{2}{3}, \quad \frac{3}{2}
\end{aligned}
}
$$
Parent Tip: Review the logic above to help your child master the concept of third grade math worksheet printable.
Print Download

How to use

Click Print to open a print-ready version directly in your browser, or use Download to save the file to your device. The ⭐ Answer button generates an AI answer key instantly - useful for teachers who need a quick reference. Need a different version? Our AI Worksheet Generator lets you create a custom worksheet on any topic in seconds.

(view all third grade math worksheet printable)

Third Grade Math Worksheets & Math Printables | Education.com
3rd Grade Math Worksheets - Superstar Worksheets
Multiplication Drill Sheets 3rd Grade
1st 2nd 3rd Grade Math Worksheets BUNDLE 778 Pages 15,000 Math ...
3rd Grade Math Worksheets
3rd Grade Math Worksheets - TutorOcean - Worksheets Library
3rd Grade Math Worksheets - Superstar Worksheets
3rd Grade Math Worksheets - Best Coloring Pages For Kids | 2nd ...
FREE Printable 3rd Grade Math Minutes Worksheets pdf
Free 3rd Grade Math Worksheets—Printable w/ Answers — Mashup Math