FreeMath
Grade 4easy

Subtracting Fractions with Same Denominator

Practice subtracting fractions with the same denominator. When fractions have the same denominator, simply subtract the numerators and keep the denominator.

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All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.5/8 - 3/8 = ?
  2. 2.7/10 - 4/10 = ?
  3. 3.9/12 - 5/12 = ?
  4. 4.6/7 - 2/7 = ?
  5. 5.8/9 - 5/9 = ?
  6. 6.11/15 - 6/15 = ?
  7. 7.4/5 - 1/5 = ?
  8. 8.7/8 - 3/8 = ?
  9. 9.9/10 - 7/10 = ?
  10. 10.5/6 - 2/6 = ?
  11. 11.8/11 - 3/11 = ?
  12. 12.10/12 - 4/12 = ?
  13. 13.6/9 - 2/9 = ?
  14. 14.7/12 - 5/12 = ?
  15. 15.9/14 - 3/14 = ?
  16. 16.11/16 - 7/16 = ?
  17. 17.8/15 - 5/15 = ?
  18. 18.13/20 - 8/20 = ?
  19. 19.5/9 - 2/9 = ?
  20. 20.7/11 - 4/11 = ?
Show answer key
  1. 1.5/8 - 3/8 = ? Answer: 2/8 or 1/4
  2. 2.7/10 - 4/10 = ? Answer: 3/10
  3. 3.9/12 - 5/12 = ? Answer: 4/12 or 1/3
  4. 4.6/7 - 2/7 = ? Answer: 4/7
  5. 5.8/9 - 5/9 = ? Answer: 3/9 or 1/3
  6. 6.11/15 - 6/15 = ? Answer: 5/15 or 1/3
  7. 7.4/5 - 1/5 = ? Answer: 3/5
  8. 8.7/8 - 3/8 = ? Answer: 4/8 or 1/2
  9. 9.9/10 - 7/10 = ? Answer: 2/10 or 1/5
  10. 10.5/6 - 2/6 = ? Answer: 3/6 or 1/2
  11. 11.8/11 - 3/11 = ? Answer: 5/11
  12. 12.10/12 - 4/12 = ? Answer: 6/12 or 1/2
  13. 13.6/9 - 2/9 = ? Answer: 4/9
  14. 14.7/12 - 5/12 = ? Answer: 2/12 or 1/6
  15. 15.9/14 - 3/14 = ? Answer: 6/14 or 3/7
  16. 16.11/16 - 7/16 = ? Answer: 4/16 or 1/4
  17. 17.8/15 - 5/15 = ? Answer: 3/15 or 1/5
  18. 18.13/20 - 8/20 = ? Answer: 5/20 or 1/4
  19. 19.5/9 - 2/9 = ? Answer: 3/9 or 1/3
  20. 20.7/11 - 4/11 = ? Answer: 3/11

About This Practice

This practice set includes 20 same-denominator subtraction problems. Mastering this skill prepares students for subtracting fractions with different denominators.

Want more practice? See all Grade 4 practice →