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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 147 · 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. 1.2/3 × 7/10 =
  2. 2.1/4 ÷ 1/4 =
  3. 3.1/2 ÷ 3/10 =
  4. 4.6/7 × 5/8 =
  5. 5.1/2 × 2/3 =
  6. 6.3/4 ÷ 7/8 =
  7. 7.1/2 × 2/3 =
  8. 8.2/3 × 3/4 =
  9. 9.2/9 ÷ 1/6 =
  10. 10.1/6 × 8/9 =
  11. 11.1/6 ÷ 1/8 =
  12. 12.5/8 × 2/5 =
  13. 13.2/9 × 11/12 =
  14. 14.1/2 ÷ 5/6 =
  15. 15.7/8 × 6/11 =
  16. 16.2/3 × 3/5 =
  17. 17.3/4 ÷ 1/2 =
  18. 18.1/2 × 8/11 =
  19. 19.2/3 ÷ 1/3 =
  20. 20.1/2 ÷ 5/6 =
  21. 21.9/10 ÷ 1/5 =
  22. 22.8/9 ÷ 1/12 =
  23. 23.5/6 × 8/9 =
  24. 24.4/7 × 1/6 =
  25. 25.4/7 × 1/6 =
  26. 26.5/12 × 2/3 =
  27. 27.5/6 ÷ 10/11 =
  28. 28.1/2 ÷ 5/6 =
  29. 29.3/5 × 1/6 =
  30. 30.1/2 × 2/5 =
  31. 31.5/12 × 3/5 =
  32. 32.1/2 ÷ 3/4 =
  33. 33.1/3 ÷ 1/6 =
  34. 34.5/9 × 3/10 =
  35. 35.1/4 × 4/7 =
  36. 36.4/5 ÷ 7/10 =
  37. 37.8/9 ÷ 2/5 =
  38. 38.2/3 × 1/2 =
  39. 39.3/8 × 2/11 =
  40. 40.8/11 ÷ 8/9 =

Answer key

  1. 7/15
  2. 1
  3. 5/3
  4. 15/28
  5. 1/3
  6. 6/7
  7. 1/3
  8. 1/2
  9. 4/3
  10. 4/27
  11. 4/3
  12. 1/4
  13. 11/54
  14. 3/5
  15. 21/44
  16. 2/5
  17. 3/2
  18. 4/11
  19. 2
  20. 3/5
  21. 9/2
  22. 32/3
  23. 20/27
  24. 2/21
  25. 2/21
  26. 5/18
  27. 11/12
  28. 3/5
  29. 1/10
  30. 1/5
  31. 1/4
  32. 2/3
  33. 2
  34. 1/6
  35. 1/7
  36. 8/7
  37. 20/9
  38. 1/3
  39. 3/44
  40. 9/11

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