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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 518 · 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.Anaya has 2/3 of a cake and gives 1/3 of the cake to a friend. What fraction of the cake does Anaya have now? =
  2. 2.Riya has 9/12 of a watermelon and gives 6/12 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  3. 3.4/5 − 3/5 =
  4. 4.1 − 4/9 =
  5. 5.1 − 2/12 =
  6. 6.1 − 5/10 =
  7. 7.1 − 2/10 =
  8. 8.1 − 5/8 =
  9. 9.Kabir has 2/3 of a watermelon and gives 1/3 of the watermelon to a friend. What fraction of the watermelon does Kabir have now? =
  10. 10.1 − 3/12 =
  11. 11.4/9 − 3/9 =
  12. 12.1 − 1/12 =
  13. 13.Anaya has 3/4 of a cake and gives 1/4 of the cake to a friend. What fraction of the cake does Anaya have now? =
  14. 14.1 − 1/5 =
  15. 15.6/7 − 3/7 =
  16. 16.1 − 3/10 =
  17. 17.3/8 − 2/8 =
  18. 18.2/7 − 1/7 =
  19. 19.Diya has 2/8 of a cake and gives 1/8 of the cake to a friend. What fraction of the cake does Diya have now? =
  20. 20.Diya has 2/7 of a pizza and gives 1/7 of the pizza to a friend. What fraction of the pizza does Diya have now? =
  21. 21.1 − 4/8 =
  22. 22.Arjun has 3/12 of a chocolate bar and gives 1/12 of the chocolate bar to a friend. What fraction of the chocolate bar does Arjun have now? =
  23. 23.Anaya has 3/5 of a chocolate bar and gives 2/5 of the chocolate bar to a friend. What fraction of the chocolate bar does Anaya have now? =
  24. 24.1 − 2/6 =
  25. 25.Kabir has 2/4 of a watermelon and gives 1/4 of the watermelon to a friend. What fraction of the watermelon does Kabir have now? =
  26. 26.Diya has 3/9 of a cake and gives 1/9 of the cake to a friend. What fraction of the cake does Diya have now? =
  27. 27.4/11 − 3/11 =
  28. 28.Tara has 2/9 of a watermelon and gives 1/9 of the watermelon to a friend. What fraction of the watermelon does Tara have now? =
  29. 29.4/12 − 3/12 =
  30. 30.Riya has 8/10 of a watermelon and gives 3/10 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  31. 31.3/10 − 1/10 =
  32. 32.1 − 8/10 =
  33. 33.Anaya has 2/5 of a chocolate bar and gives 1/5 of the chocolate bar to a friend. What fraction of the chocolate bar does Anaya have now? =
  34. 34.2/5 − 1/5 =
  35. 35.2/6 − 1/6 =
  36. 36.1 − 2/8 =
  37. 37.Diya has 9/12 of a chocolate bar and gives 7/12 of the chocolate bar to a friend. What fraction of the chocolate bar does Diya have now? =
  38. 38.6/7 − 4/7 =
  39. 39.3/12 − 1/12 =
  40. 40.Kabir has 3/4 of a pizza and gives 2/4 of the pizza to a friend. What fraction of the pizza does Kabir have now? =

Answer key

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

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