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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 613 · 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.Sara has 2/3 of a cake and gives 1/3 of the cake to a friend. What fraction of the cake does Sara have now? =
  2. 2.1 − 5/8 =
  3. 3.Arjun has 4/9 of a pizza and gives 1/9 of the pizza to a friend. What fraction of the pizza does Arjun have now? =
  4. 4.Anaya has 3/12 of a cake and gives 2/12 of the cake to a friend. What fraction of the cake does Anaya have now? =
  5. 5.1 − 1/7 =
  6. 6.1 − 3/4 =
  7. 7.7/10 − 4/10 =
  8. 8.5/8 − 3/8 =
  9. 9.1 − 4/11 =
  10. 10.2/6 − 1/6 =
  11. 11.1 − 3/11 =
  12. 12.1 − 1/2 =
  13. 13.8/12 − 4/12 =
  14. 14.2/3 − 1/3 =
  15. 15.3/11 − 2/11 =
  16. 16.1 − 1/9 =
  17. 17.Sara has 6/11 of a cake and gives 4/11 of the cake to a friend. What fraction of the cake does Sara have now? =
  18. 18.Riya has 10/11 of a watermelon and gives 4/11 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  19. 19.Riya has 3/11 of a cake and gives 1/11 of the cake to a friend. What fraction of the cake does Riya have now? =
  20. 20.1 − 11/12 =
  21. 21.1 − 1/11 =
  22. 22.3/8 − 1/8 =
  23. 23.10/11 − 5/11 =
  24. 24.1 − 3/10 =
  25. 25.2/4 − 1/4 =
  26. 26.5/8 − 4/8 =
  27. 27.3/4 − 1/4 =
  28. 28.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? =
  29. 29.6/8 − 3/8 =
  30. 30.Rohan has 2/7 of a watermelon and gives 1/7 of the watermelon to a friend. What fraction of the watermelon does Rohan have now? =
  31. 31.1 − 5/11 =
  32. 32.1 − 2/5 =
  33. 33.2/5 − 1/5 =
  34. 34.Anaya has 4/7 of a cake and gives 3/7 of the cake to a friend. What fraction of the cake does Anaya have now? =
  35. 35.3/8 − 2/8 =
  36. 36.1 − 4/9 =
  37. 37.2/8 − 1/8 =
  38. 38.1 − 7/10 =
  39. 39.3/4 − 2/4 =
  40. 40.1 − 8/12 =

Answer key

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

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