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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 398 · 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 − 4/9 =
  2. 2.4/8 − 1/8 =
  3. 3.3/4 − 1/4 =
  4. 4.1 − 6/10 =
  5. 5.8/9 − 7/9 =
  6. 6.1 − 5/7 =
  7. 7.1 − 9/12 =
  8. 8.7/9 − 2/9 =
  9. 9.Riya has 2/5 of a watermelon and gives 1/5 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  10. 10.8/11 − 6/11 =
  11. 11.1 − 1/3 =
  12. 12.Ishaan has 7/12 of a chocolate bar and gives 5/12 of the chocolate bar to a friend. What fraction of the chocolate bar does Ishaan have now? =
  13. 13.1 − 3/10 =
  14. 14.5/8 − 3/8 =
  15. 15.Kabir has 3/10 of a cake and gives 1/10 of the cake to a friend. What fraction of the cake does Kabir have now? =
  16. 16.1 − 2/8 =
  17. 17.6/10 − 5/10 =
  18. 18.1 − 2/11 =
  19. 19.3/5 − 1/5 =
  20. 20.Anaya has 7/9 of a pizza and gives 4/9 of the pizza to a friend. What fraction of the pizza does Anaya have now? =
  21. 21.Ishaan has 2/5 of a watermelon and gives 1/5 of the watermelon to a friend. What fraction of the watermelon does Ishaan have now? =
  22. 22.9/10 − 5/10 =
  23. 23.1 − 3/8 =
  24. 24.Diya has 6/10 of a watermelon and gives 1/10 of the watermelon to a friend. What fraction of the watermelon does Diya have now? =
  25. 25.3/12 − 1/12 =
  26. 26.10/11 − 4/11 =
  27. 27.7/8 − 5/8 =
  28. 28.Anaya has 3/12 of a pizza and gives 2/12 of the pizza to a friend. What fraction of the pizza does Anaya have now? =
  29. 29.4/10 − 3/10 =
  30. 30.2/3 − 1/3 =
  31. 31.5/6 − 2/6 =
  32. 32.2/4 − 1/4 =
  33. 33.5/7 − 4/7 =
  34. 34.Diya has 4/6 of a watermelon and gives 1/6 of the watermelon to a friend. What fraction of the watermelon does Diya have now? =
  35. 35.Aarav has 5/7 of a chocolate bar and gives 1/7 of the chocolate bar to a friend. What fraction of the chocolate bar does Aarav have now? =
  36. 36.Riya has 2/8 of a watermelon and gives 1/8 of the watermelon to a friend. What fraction of the watermelon does Riya have now? =
  37. 37.Diya has 5/8 of a chocolate bar and gives 1/8 of the chocolate bar to a friend. What fraction of the chocolate bar does Diya have now? =
  38. 38.1 − 1/5 =
  39. 39.2/5 − 1/5 =
  40. 40.Anaya has 4/6 of a watermelon and gives 1/6 of the watermelon to a friend. What fraction of the watermelon does Anaya have now? =

Answer key

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

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