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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 58 · 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. 1.7/12 × 2/3 =
  2. 2.1/3 ÷ 2/9 =
  3. 3.1/12 ÷ 1/2 =
  4. 4.2/9 × 1/2 =
  5. 5.9/10 × 2/9 =
  6. 6.1/9 × 3/4 =
  7. 7.3/5 × 2/3 =
  8. 8.6/11 ÷ 2/3 =
  9. 9.11/12 × 8/9 =
  10. 10.2/3 × 1/4 =
  11. 11.1/5 × 5/11 =
  12. 12.2/3 × 1/2 =
  13. 13.5/9 × 3/7 =
  14. 14.2/3 ÷ 8/9 =
  15. 15.2/3 × 3/4 =
  16. 16.1/2 × 4/11 =
  17. 17.1/2 ÷ 3/4 =
  18. 18.3/4 ÷ 3/7 =
  19. 19.1/2 ÷ 3/10 =
  20. 20.3/5 × 10/11 =
  21. 21.8/9 × 3/10 =
  22. 22.8/9 × 5/6 =
  23. 23.1/2 ÷ 1/8 =
  24. 24.3/4 × 2/3 =
  25. 25.2/5 ÷ 1/5 =
  26. 26.8/9 ÷ 2/3 =
  27. 27.1/2 × 2/3 =
  28. 28.10/11 × 1/6 =
  29. 29.1/3 ÷ 2/3 =
  30. 30.2/5 ÷ 9/10 =
  31. 31.3/5 ÷ 3/4 =
  32. 32.9/10 × 2/3 =
  33. 33.1/5 ÷ 3/5 =
  34. 34.1/6 × 2/3 =
  35. 35.1/12 ÷ 1/2 =
  36. 36.5/9 ÷ 4/9 =
  37. 37.1/4 ÷ 1/2 =
  38. 38.1/2 ÷ 1/4 =
  39. 39.8/9 × 1/2 =
  40. 40.4/5 ÷ 4/5 =

Answer key

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

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