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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 48 · 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. 1.3/4 × 2/3 =
  2. 2.1/3 ÷ 2/3 =
  3. 3.1/2 × 8/9 =
  4. 4.1/5 ÷ 3/5 =
  5. 5.1/5 × 5/8 =
  6. 6.1/3 ÷ 1/3 =
  7. 7.1/2 × 8/9 =
  8. 8.5/8 ÷ 1/2 =
  9. 9.3/7 × 2/3 =
  10. 10.3/4 × 2/3 =
  11. 11.4/9 ÷ 1/3 =
  12. 12.1/9 × 3/5 =
  13. 13.1/12 × 2/3 =
  14. 14.3/4 ÷ 1/6 =
  15. 15.11/12 ÷ 1/2 =
  16. 16.8/9 × 3/4 =
  17. 17.9/10 ÷ 1/2 =
  18. 18.1/6 × 3/4 =
  19. 19.5/6 ÷ 1/2 =
  20. 20.2/3 × 1/2 =
  21. 21.3/4 ÷ 9/11 =
  22. 22.1/4 ÷ 1/2 =
  23. 23.1/4 × 2/5 =
  24. 24.5/12 ÷ 1/3 =
  25. 25.7/12 × 9/10 =
  26. 26.3/4 ÷ 1/4 =
  27. 27.7/12 × 4/9 =
  28. 28.1/2 ÷ 7/12 =
  29. 29.2/11 × 1/2 =
  30. 30.5/12 × 2/5 =
  31. 31.6/11 × 9/10 =
  32. 32.5/9 × 3/4 =
  33. 33.10/11 × 1/2 =
  34. 34.11/12 ÷ 1/2 =
  35. 35.1/4 × 4/5 =
  36. 36.3/4 × 5/6 =
  37. 37.3/5 × 2/3 =
  38. 38.5/6 × 3/4 =
  39. 39.7/9 ÷ 4/9 =
  40. 40.7/12 ÷ 1/4 =

Answer key

  1. 1/2
  2. 1/2
  3. 4/9
  4. 1/3
  5. 1/8
  6. 1
  7. 4/9
  8. 5/4
  9. 2/7
  10. 1/2
  11. 4/3
  12. 1/15
  13. 1/18
  14. 9/2
  15. 11/6
  16. 2/3
  17. 9/5
  18. 1/8
  19. 5/3
  20. 1/3
  21. 11/12
  22. 1/2
  23. 1/10
  24. 5/4
  25. 21/40
  26. 3
  27. 7/27
  28. 6/7
  29. 1/11
  30. 1/6
  31. 27/55
  32. 5/12
  33. 5/11
  34. 11/6
  35. 1/5
  36. 5/8
  37. 2/5
  38. 5/8
  39. 7/4
  40. 7/3

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