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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 139 · 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 − 2/9 =
  2. 2.8/9 − 3/9 =
  3. 3.2/5 − 1/5 =
  4. 4.1 − 1/7 =
  5. 5.1 − 3/9 =
  6. 6.8/11 − 5/11 =
  7. 7.5/6 − 1/6 =
  8. 8.1 − 2/11 =
  9. 9.Rohan has 4/7 of a cake and gives 1/7 of the cake to a friend. What fraction of the cake does Rohan have now? =
  10. 10.Sara has 4/5 of a pizza and gives 3/5 of the pizza to a friend. What fraction of the pizza does Sara have now? =
  11. 11.Vihaan has 2/3 of a chocolate bar and gives 1/3 of the chocolate bar to a friend. What fraction of the chocolate bar does Vihaan have now? =
  12. 12.Aarav has 2/3 of a cake and gives 1/3 of the cake to a friend. What fraction of the cake does Aarav have now? =
  13. 13.1 − 3/4 =
  14. 14.1 − 5/8 =
  15. 15.Rohan has 6/9 of a cake and gives 2/9 of the cake to a friend. What fraction of the cake does Rohan have now? =
  16. 16.3/8 − 1/8 =
  17. 17.4/6 − 1/6 =
  18. 18.1 − 1/11 =
  19. 19.7/9 − 1/9 =
  20. 20.Riya has 3/6 of a chocolate bar and gives 2/6 of the chocolate bar to a friend. What fraction of the chocolate bar does Riya have now? =
  21. 21.9/10 − 8/10 =
  22. 22.Kabir has 2/3 of a pizza and gives 1/3 of the pizza to a friend. What fraction of the pizza does Kabir have now? =
  23. 23.2/9 − 1/9 =
  24. 24.1 − 7/10 =
  25. 25.5/6 − 3/6 =
  26. 26.2/12 − 1/12 =
  27. 27.5/11 − 3/11 =
  28. 28.2/3 − 1/3 =
  29. 29.3/5 − 2/5 =
  30. 30.Aarav has 2/5 of a watermelon and gives 1/5 of the watermelon to a friend. What fraction of the watermelon does Aarav have now? =
  31. 31.Riya has 4/5 of a chocolate bar and gives 2/5 of the chocolate bar to a friend. What fraction of the chocolate bar does Riya have now? =
  32. 32.2/7 − 1/7 =
  33. 33.1 − 1/8 =
  34. 34.1 − 1/2 =
  35. 35.2/10 − 1/10 =
  36. 36.1 − 1/3 =
  37. 37.3/4 − 1/4 =
  38. 38.Aarav has 2/7 of a cake and gives 1/7 of the cake to a friend. What fraction of the cake does Aarav have now? =
  39. 39.Anaya has 3/5 of a pizza and gives 1/5 of the pizza to a friend. What fraction of the pizza does Anaya have now? =
  40. 40.Anaya has 3/11 of a pizza and gives 1/11 of the pizza to a friend. What fraction of the pizza does Anaya have now? =

Answer key

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

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