Adding & Subtracting Fractions Worksheet

Name:

Date:

📚 Part 1: Adding & Subtracting Fractions with Common Denominators

1. Calculate: 2/7 + 3/7 = _______

2. Calculate: 5/8 - 2/8 = _______

3. Calculate: 3/5 + 4/5 = _______

4. Calculate: 7/9 - 2/9 = _______

5. Which calculation is correct?

1/4 + 2/4 = 3/8

1/4 + 2/4 = 3/4

1/4 + 2/4 = 2/4

6. Simplify to lowest terms: 6/8 = _______

7. Convert to a mixed number: 9/4 = _______

8. Calculate and simplify: 2/6 + 3/6 = _______

9. Explain in your own words: Why does the denominator stay the same when adding fractions with common denominators?

10. Real-life problem: Sarah ate 2/8 of a pizza and Tom ate 3/8 of the same pizza. How much pizza did they eat altogether?

Answer: _______ of the pizza

11. Find the mistake: A student calculated 3/10 + 4/10 = 7/20. What did they do wrong?

12. Extension Challenge: Calculate and simplify: 5/12 + 7/12 - 4/12 = _______