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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 172 · 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 − 5/9 =
  2. 2.1 − 1/5 =
  3. 3.Rohan has 3/7 of a cake and gives 2/7 of the cake to a friend. What fraction of the cake does Rohan have now? =
  4. 4.Diya has 2/4 of a watermelon and gives 1/4 of the watermelon to a friend. What fraction of the watermelon does Diya have now? =
  5. 5.2/3 − 1/3 =
  6. 6.3/6 − 2/6 =
  7. 7.Sara has 3/6 of a watermelon and gives 2/6 of the watermelon to a friend. What fraction of the watermelon does Sara have now? =
  8. 8.1 − 5/11 =
  9. 9.1 − 3/9 =
  10. 10.2/5 − 1/5 =
  11. 11.2/11 − 1/11 =
  12. 12.4/6 − 1/6 =
  13. 13.3/4 − 1/4 =
  14. 14.Riya has 2/3 of a pizza and gives 1/3 of the pizza to a friend. What fraction of the pizza does Riya have now? =
  15. 15.Sara has 2/5 of a watermelon and gives 1/5 of the watermelon to a friend. What fraction of the watermelon does Sara have now? =
  16. 16.5/8 − 4/8 =
  17. 17.4/11 − 3/11 =
  18. 18.1 − 1/2 =
  19. 19.3/4 − 2/4 =
  20. 20.1 − 10/11 =
  21. 21.1 − 5/10 =
  22. 22.Sara has 6/8 of a chocolate bar and gives 2/8 of the chocolate bar to a friend. What fraction of the chocolate bar does Sara have now? =
  23. 23.1 − 2/7 =
  24. 24.3/12 − 2/12 =
  25. 25.1 − 2/5 =
  26. 26.Meera has 2/3 of a pizza and gives 1/3 of the pizza to a friend. What fraction of the pizza does Meera have now? =
  27. 27.Kabir has 3/7 of a chocolate bar and gives 1/7 of the chocolate bar to a friend. What fraction of the chocolate bar does Kabir have now? =
  28. 28.Meera has 5/7 of a chocolate bar and gives 3/7 of the chocolate bar to a friend. What fraction of the chocolate bar does Meera have now? =
  29. 29.2/6 − 1/6 =
  30. 30.5/12 − 2/12 =
  31. 31.1 − 2/4 =
  32. 32.Riya has 3/10 of a watermelon and gives 1/10 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  33. 33.Riya has 4/7 of a watermelon and gives 3/7 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  34. 34.6/7 − 2/7 =
  35. 35.1 − 2/6 =
  36. 36.Kabir has 5/9 of a cake and gives 1/9 of the cake to a friend. What fraction of the cake does Kabir have now? =
  37. 37.1 − 6/12 =
  38. 38.Kabir has 4/5 of a watermelon and gives 1/5 of the watermelon to a friend. What fraction of the watermelon does Kabir have now? =
  39. 39.3/8 − 2/8 =
  40. 40.7/9 − 6/9 =

Answer key

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

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