Convert Decimals to fractions worksheets - Math Worksheets ... - Free Printable
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Step-by-step solution for: Convert Decimals to fractions worksheets - Math Worksheets ...
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Show Answer Key & Explanations
Step-by-step solution for: Convert Decimals to fractions worksheets - Math Worksheets ...
Let's solve each problem by converting decimals to fractions. The general method is:
1. Write the decimal as a fraction with the denominator as a power of 10 (based on the number of decimal places).
2. Simplify the fraction if possible.
---
We'll go through each one step-by-step:
---
- One decimal place → denominator = 10
- $ 25.2 = \frac{252}{10} $
- Simplify: divide numerator and denominator by 2 → $ \frac{126}{5} $
- Final answer: $ \frac{126}{5} $
---
- Two decimal places → denominator = 100
- $ 53.07 = \frac{5307}{100} $
- This cannot be simplified further.
- Final answer: $ \frac{5307}{100} $
---
- Two decimal places → denominator = 100
- $ 7.52 = \frac{752}{100} $
- Simplify: divide numerator and denominator by 4 → $ \frac{188}{25} $
- Final answer: $ \frac{188}{25} $
---
- One decimal place → denominator = 10
- $ 9.9 = \frac{99}{10} $
- Cannot simplify further.
- Final answer: $ \frac{99}{10} $
---
- One decimal place → denominator = 10
- $ 95.1 = \frac{951}{10} $
- Cannot simplify further.
- Final answer: $ \frac{951}{10} $
---
- One decimal place → denominator = 10
- $ 12.5 = \frac{125}{10} $
- Simplify: divide by 5 → $ \frac{25}{2} $
- Final answer: $ \frac{25}{2} $
---
- One decimal place → denominator = 10
- $ 18.9 = \frac{189}{10} $
- Cannot simplify further.
- Final answer: $ \frac{189}{10} $
---
- One decimal place → denominator = 10
- $ 74.6 = \frac{746}{10} $
- Simplify: divide by 2 → $ \frac{373}{5} $
- Final answer: $ \frac{373}{5} $
---
- One decimal place → denominator = 10
- $ 75.5 = \frac{755}{10} $
- Simplify: divide by 5 → $ \frac{151}{2} $
- Final answer: $ \frac{151}{2} $
---
- Two decimal places → denominator = 100
- $ 25.04 = \frac{2504}{100} $
- Simplify: divide by 4 → $ \frac{626}{25} $
- Final answer: $ \frac{626}{25} $
---
- Two decimal places → denominator = 100
- $ 86.92 = \frac{8692}{100} $
- Simplify: divide by 4 → $ \frac{2173}{25} $
- Final answer: $ \frac{2173}{25} $
---
- Two decimal places → denominator = 100
- $ 80.34 = \frac{8034}{100} $
- Simplify: divide by 2 → $ \frac{4017}{50} $
- Final answer: $ \frac{4017}{50} $
---
- Two decimal places → denominator = 100
- $ 98.32 = \frac{9832}{100} $
- Simplify: divide by 4 → $ \frac{2458}{25} $
- Final answer: $ \frac{2458}{25} $
---
- Two decimal places → denominator = 100
- $ 38.31 = \frac{3831}{100} $
- Cannot simplify further.
- Final answer: $ \frac{3831}{100} $
---
- One decimal place → denominator = 10
- $ 95.2 = \frac{952}{10} $
- Simplify: divide by 2 → $ \frac{476}{5} $
- Final answer: $ \frac{476}{5} $
---
- Two decimal places → denominator = 100
- $ 70.64 = \frac{7064}{100} $
- Simplify: divide by 4 → $ \frac{1766}{25} $
- Final answer: $ \frac{1766}{25} $
---
| Problem | Answer |
|--------|--------|
| 1. 25.2 | $ \frac{126}{5} $ |
| 2. 53.07 | $ \frac{5307}{100} $ |
| 3. 7.52 | $ \frac{188}{25} $ |
| 4. 9.9 | $ \frac{99}{10} $ |
| 5. 95.1 | $ \frac{951}{10} $ |
| 6. 12.5 | $ \frac{25}{2} $ |
| 7. 18.9 | $ \frac{189}{10} $ |
| 8. 74.6 | $ \frac{373}{5} $ |
| 9. 75.5 | $ \frac{151}{2} $ |
| 10. 25.04 | $ \frac{626}{25} $ |
| 11. 86.92 | $ \frac{2173}{25} $ |
| 12. 80.34 | $ \frac{4017}{50} $ |
| 13. 98.32 | $ \frac{2458}{25} $ |
| 14. 38.31 | $ \frac{3831}{100} $ |
| 15. 95.2 | $ \frac{476}{5} $ |
| 16. 70.64 | $ \frac{1766}{25} $ |
---
- Always count decimal places to determine the denominator.
- Reduce fractions to lowest terms using GCD (Greatest Common Divisor).
- If the decimal has one digit after the decimal point, use 10 as denominator.
- If it has two, use 100, etc.
Let me know if you'd like mixed numbers instead!
✔ Steps to Convert a Decimal to a Fraction:
1. Write the decimal as a fraction with the denominator as a power of 10 (based on the number of decimal places).
2. Simplify the fraction if possible.
---
We'll go through each one step-by-step:
---
1. 25.2
- One decimal place → denominator = 10
- $ 25.2 = \frac{252}{10} $
- Simplify: divide numerator and denominator by 2 → $ \frac{126}{5} $
- Final answer: $ \frac{126}{5} $
---
2. 53.07
- Two decimal places → denominator = 100
- $ 53.07 = \frac{5307}{100} $
- This cannot be simplified further.
- Final answer: $ \frac{5307}{100} $
---
3. 7.52
- Two decimal places → denominator = 100
- $ 7.52 = \frac{752}{100} $
- Simplify: divide numerator and denominator by 4 → $ \frac{188}{25} $
- Final answer: $ \frac{188}{25} $
---
4. 9.9
- One decimal place → denominator = 10
- $ 9.9 = \frac{99}{10} $
- Cannot simplify further.
- Final answer: $ \frac{99}{10} $
---
5. 95.1
- One decimal place → denominator = 10
- $ 95.1 = \frac{951}{10} $
- Cannot simplify further.
- Final answer: $ \frac{951}{10} $
---
6. 12.5
- One decimal place → denominator = 10
- $ 12.5 = \frac{125}{10} $
- Simplify: divide by 5 → $ \frac{25}{2} $
- Final answer: $ \frac{25}{2} $
---
7. 18.9
- One decimal place → denominator = 10
- $ 18.9 = \frac{189}{10} $
- Cannot simplify further.
- Final answer: $ \frac{189}{10} $
---
8. 74.6
- One decimal place → denominator = 10
- $ 74.6 = \frac{746}{10} $
- Simplify: divide by 2 → $ \frac{373}{5} $
- Final answer: $ \frac{373}{5} $
---
9. 75.5
- One decimal place → denominator = 10
- $ 75.5 = \frac{755}{10} $
- Simplify: divide by 5 → $ \frac{151}{2} $
- Final answer: $ \frac{151}{2} $
---
10. 25.04
- Two decimal places → denominator = 100
- $ 25.04 = \frac{2504}{100} $
- Simplify: divide by 4 → $ \frac{626}{25} $
- Final answer: $ \frac{626}{25} $
---
11. 86.92
- Two decimal places → denominator = 100
- $ 86.92 = \frac{8692}{100} $
- Simplify: divide by 4 → $ \frac{2173}{25} $
- Final answer: $ \frac{2173}{25} $
---
12. 80.34
- Two decimal places → denominator = 100
- $ 80.34 = \frac{8034}{100} $
- Simplify: divide by 2 → $ \frac{4017}{50} $
- Final answer: $ \frac{4017}{50} $
---
13. 98.32
- Two decimal places → denominator = 100
- $ 98.32 = \frac{9832}{100} $
- Simplify: divide by 4 → $ \frac{2458}{25} $
- Final answer: $ \frac{2458}{25} $
---
14. 38.31
- Two decimal places → denominator = 100
- $ 38.31 = \frac{3831}{100} $
- Cannot simplify further.
- Final answer: $ \frac{3831}{100} $
---
15. 95.2
- One decimal place → denominator = 10
- $ 95.2 = \frac{952}{10} $
- Simplify: divide by 2 → $ \frac{476}{5} $
- Final answer: $ \frac{476}{5} $
---
16. 70.64
- Two decimal places → denominator = 100
- $ 70.64 = \frac{7064}{100} $
- Simplify: divide by 4 → $ \frac{1766}{25} $
- Final answer: $ \frac{1766}{25} $
---
✔ Final Answers:
| Problem | Answer |
|--------|--------|
| 1. 25.2 | $ \frac{126}{5} $ |
| 2. 53.07 | $ \frac{5307}{100} $ |
| 3. 7.52 | $ \frac{188}{25} $ |
| 4. 9.9 | $ \frac{99}{10} $ |
| 5. 95.1 | $ \frac{951}{10} $ |
| 6. 12.5 | $ \frac{25}{2} $ |
| 7. 18.9 | $ \frac{189}{10} $ |
| 8. 74.6 | $ \frac{373}{5} $ |
| 9. 75.5 | $ \frac{151}{2} $ |
| 10. 25.04 | $ \frac{626}{25} $ |
| 11. 86.92 | $ \frac{2173}{25} $ |
| 12. 80.34 | $ \frac{4017}{50} $ |
| 13. 98.32 | $ \frac{2458}{25} $ |
| 14. 38.31 | $ \frac{3831}{100} $ |
| 15. 95.2 | $ \frac{476}{5} $ |
| 16. 70.64 | $ \frac{1766}{25} $ |
---
🔍 Tips:
- Always count decimal places to determine the denominator.
- Reduce fractions to lowest terms using GCD (Greatest Common Divisor).
- If the decimal has one digit after the decimal point, use 10 as denominator.
- If it has two, use 100, etc.
Let me know if you'd like mixed numbers instead!
Parent Tip: Review the logic above to help your child master the concept of fraction to decimal worksheet grade 4.