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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 423 · 40 questions
TalentJR

The method (1 whole = b/b): Same bottom number: subtract the top numbers and keep the bottom. To take a fraction from 1, write 1 as b/b (1 = 10/10). Simplify the answer.

NameDateTime takenScore ___ / 40
  1. 1.1 − 1/3 =
  2. 2.3/4 − 2/4 =
  3. 3.Kabir has 3/12 of a cake and gives 1/12 of the cake to a friend. What fraction of the cake does Kabir have now? =
  4. 4.1 − 7/8 =
  5. 5.Arjun has 3/5 of a pizza and gives 2/5 of the pizza to a friend. What fraction of the pizza does Arjun have now? =
  6. 6.1 − 6/8 =
  7. 7.1 − 3/4 =
  8. 8.2/3 − 1/3 =
  9. 9.9/12 − 6/12 =
  10. 10.3/6 − 2/6 =
  11. 11.Tara has 3/4 of a chocolate bar and gives 1/4 of the chocolate bar to a friend. What fraction of the chocolate bar does Tara have now? =
  12. 12.1 − 1/4 =
  13. 13.Sara has 2/11 of a cake and gives 1/11 of the cake to a friend. What fraction of the cake does Sara have now? =
  14. 14.3/10 − 2/10 =
  15. 15.Sara has 9/10 of a cake and gives 3/10 of the cake to a friend. What fraction of the cake does Sara have now? =
  16. 16.2/6 − 1/6 =
  17. 17.1 − 2/4 =
  18. 18.3/7 − 1/7 =
  19. 19.Arjun has 2/5 of a pizza and gives 1/5 of the pizza to a friend. What fraction of the pizza does Arjun have now? =
  20. 20.Tara has 2/5 of a cake and gives 1/5 of the cake to a friend. What fraction of the cake does Tara have now? =
  21. 21.4/12 − 1/12 =
  22. 22.3/7 − 2/7 =
  23. 23.Diya has 3/5 of a pizza and gives 2/5 of the pizza to a friend. What fraction of the pizza does Diya have now? =
  24. 24.Arjun has 8/10 of a watermelon and gives 2/10 of the watermelon to a friend. What fraction of the watermelon does Arjun have now? =
  25. 25.1 − 2/8 =
  26. 26.1 − 5/12 =
  27. 27.1 − 6/11 =
  28. 28.Tara has 4/9 of a chocolate bar and gives 3/9 of the chocolate bar to a friend. What fraction of the chocolate bar does Tara have now? =
  29. 29.Aarav has 6/7 of a watermelon and gives 1/7 of the watermelon to a friend. What fraction of the watermelon does Aarav have now? =
  30. 30.4/11 − 2/11 =
  31. 31.Aarav has 2/9 of a chocolate bar and gives 1/9 of the chocolate bar to a friend. What fraction of the chocolate bar does Aarav have now? =
  32. 32.Sara has 7/8 of a pizza and gives 5/8 of the pizza to a friend. What fraction of the pizza does Sara have now? =
  33. 33.1 − 1/5 =
  34. 34.2/4 − 1/4 =
  35. 35.Arjun has 5/10 of a cake and gives 2/10 of the cake to a friend. What fraction of the cake does Arjun have now? =
  36. 36.10/12 − 3/12 =
  37. 37.8/11 − 7/11 =
  38. 38.Rohan has 4/7 of a pizza and gives 3/7 of the pizza to a friend. What fraction of the pizza does Rohan have now? =
  39. 39.7/9 − 2/9 =
  40. 40.1 − 3/7 =

Answer key

  1. 2/3
  2. 1/4
  3. 1/6
  4. 1/8
  5. 1/5
  6. 1/4
  7. 1/4
  8. 1/3
  9. 1/4
  10. 1/6
  11. 1/2
  12. 3/4
  13. 1/11
  14. 1/10
  15. 3/5
  16. 1/6
  17. 1/2
  18. 2/7
  19. 1/5
  20. 1/5
  21. 1/4
  22. 1/7
  23. 1/5
  24. 3/5
  25. 3/4
  26. 7/12
  27. 5/11
  28. 1/9
  29. 5/7
  30. 2/11
  31. 1/9
  32. 1/4
  33. 4/5
  34. 1/4
  35. 3/10
  36. 7/12
  37. 1/11
  38. 1/7
  39. 5/9
  40. 4/7

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