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Subtracting Fractions with Same Denominator Worksheet

Fractions lesson 14: Subtracting fractions: same denominator · Set 449 · 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 − 1/11 =
  2. 2.1 − 2/4 =
  3. 3.Diya 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 Diya have now? =
  4. 4.2/4 − 1/4 =
  5. 5.1 − 3/12 =
  6. 6.7/9 − 6/9 =
  7. 7.6/9 − 1/9 =
  8. 8.1 − 2/3 =
  9. 9.7/9 − 3/9 =
  10. 10.2/3 − 1/3 =
  11. 11.1 − 2/6 =
  12. 12.3/4 − 1/4 =
  13. 13.3/4 − 2/4 =
  14. 14.Anaya has 6/7 of a cake and gives 4/7 of the cake to a friend. What fraction of the cake does Anaya have now? =
  15. 15.1 − 2/11 =
  16. 16.Arjun has 4/5 of a cake and gives 2/5 of the cake to a friend. What fraction of the cake does Arjun have now? =
  17. 17.Anaya has 8/12 of a pizza and gives 2/12 of the pizza to a friend. What fraction of the pizza does Anaya have now? =
  18. 18.1 − 3/4 =
  19. 19.5/10 − 3/10 =
  20. 20.1 − 4/8 =
  21. 21.3/5 − 1/5 =
  22. 22.1 − 4/5 =
  23. 23.2/12 − 1/12 =
  24. 24.1 − 2/10 =
  25. 25.5/8 − 2/8 =
  26. 26.2/5 − 1/5 =
  27. 27.1 − 8/9 =
  28. 28.1 − 6/12 =
  29. 29.8/12 − 1/12 =
  30. 30.2/6 − 1/6 =
  31. 31.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? =
  32. 32.Ishaan has 2/12 of a watermelon and gives 1/12 of the watermelon to a friend. What fraction of the watermelon does Ishaan have now? =
  33. 33.1 − 7/8 =
  34. 34.6/9 − 5/9 =
  35. 35.1 − 1/2 =
  36. 36.1 − 2/7 =
  37. 37.Arjun has 2/3 of a cake and gives 1/3 of the cake to a friend. What fraction of the cake does Arjun have now? =
  38. 38.Riya has 4/12 of a cake and gives 3/12 of the cake to a friend. What fraction of the cake does Riya have now? =
  39. 39.1 − 4/10 =
  40. 40.3/5 − 2/5 =

Answer key

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

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