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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 618 · 40 questions
TalentJR

The fast method (Cancel first): Dividing? Flip the second fraction and multiply: ÷ 2/3 is × 3/2. Cancel: a top and a bottom that share a factor — divide both by it. Multiply what is left: tops × tops, bottoms × bottoms. A bottom of 1 means a whole number.

NameDateTime takenScore ___ / 40
  1. 1.8/11 × 1/4 =
  2. 2.5/6 × 2/5 =
  3. 3.3/8 × 1/9 =
  4. 4.5/6 × 4/5 =
  5. 5.2/3 × 1/2 =
  6. 6.4/5 × 1/10 =
  7. 7.1/4 ÷ 5/8 =
  8. 8.1/4 ÷ 1/2 =
  9. 9.1/5 ÷ 1/5 =
  10. 10.1/2 × 2/5 =
  11. 11.4/5 ÷ 10/11 =
  12. 12.1/10 ÷ 3/5 =
  13. 13.5/12 × 7/10 =
  14. 14.1/4 ÷ 1/2 =
  15. 15.3/4 ÷ 1/2 =
  16. 16.3/10 ÷ 1/2 =
  17. 17.2/3 ÷ 1/3 =
  18. 18.1/4 × 2/5 =
  19. 19.2/5 × 7/10 =
  20. 20.3/10 ÷ 3/8 =
  21. 21.5/12 ÷ 7/9 =
  22. 22.1/2 × 2/11 =
  23. 23.2/9 ÷ 1/6 =
  24. 24.4/7 ÷ 2/3 =
  25. 25.2/5 × 3/4 =
  26. 26.3/4 × 4/7 =
  27. 27.5/6 ÷ 1/2 =
  28. 28.3/4 × 2/3 =
  29. 29.1/2 × 2/3 =
  30. 30.2/3 ÷ 1/3 =
  31. 31.2/3 × 1/2 =
  32. 32.2/3 ÷ 5/6 =
  33. 33.2/3 ÷ 1/3 =
  34. 34.2/3 × 3/7 =
  35. 35.5/12 ÷ 1/2 =
  36. 36.1/6 ÷ 1/2 =
  37. 37.3/7 × 1/3 =
  38. 38.4/5 ÷ 3/5 =
  39. 39.5/6 × 6/7 =
  40. 40.3/5 × 1/6 =

Answer key

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

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