Subtracting Unlike Fractions Worksheet

Name:

Date:

🎯 Learning Goal

I can... subtract fractions with unlike denominators by finding a common denominator and simplifying my answer.

✓ Find the least common denominator (LCD)
✓ Convert fractions to equivalent fractions
✓ Subtract the numerators
✓ Simplify the final answer

Find the common denominator, subtract, and simplify your answer. Show your work!

1. 3/4 - 1/2 = _______

2. 5/6 - 1/3 = _______

3. 7/8 - 1/4 = _______

4. 2/3 - 1/6 = _______

5. 4/5 - 3/10 = _______

6. 5/8 - 1/3 = _______

These problems may require more steps. Take your time and show all work!

7. 11/12 - 2/3 = _______

8. 7/10 - 3/8 = _______

9. 5/6 - 3/8 = _______

10. 9/10 - 2/5 = _______

11. Word Problem: Sarah had 3/4 of a pizza. She gave 1/3 of the whole pizza to her brother. How much pizza does Sarah have left?

12. Word Problem: A recipe calls for 5/6 cup of flour. Tom only has 1/4 cup. How much more flour does he need?