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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 86 · 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. 1.1/2 × 2/3 =
  2. 2.2/3 × 1/2 =
  3. 3.2/5 ÷ 2/3 =
  4. 4.1/4 ÷ 1/12 =
  5. 5.5/6 ÷ 7/10 =
  6. 6.5/6 ÷ 2/3 =
  7. 7.2/5 ÷ 2/7 =
  8. 8.1/4 × 2/5 =
  9. 9.3/10 ÷ 1/10 =
  10. 10.5/12 × 3/8 =
  11. 11.1/3 ÷ 1/3 =
  12. 12.2/3 ÷ 2/3 =
  13. 13.3/4 × 1/3 =
  14. 14.3/4 × 2/3 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.3/4 × 4/5 =
  17. 17.9/11 × 11/12 =
  18. 18.1/2 × 4/5 =
  19. 19.2/9 × 3/5 =
  20. 20.1/4 ÷ 1/2 =
  21. 21.6/11 × 5/8 =
  22. 22.1/9 ÷ 1/12 =
  23. 23.1/3 × 3/7 =
  24. 24.2/3 × 1/2 =
  25. 25.1/12 ÷ 1/2 =
  26. 26.3/4 ÷ 1/2 =
  27. 27.1/2 × 4/5 =
  28. 28.1/6 ÷ 5/8 =
  29. 29.1/3 × 3/5 =
  30. 30.4/5 ÷ 2/3 =
  31. 31.3/4 ÷ 1/2 =
  32. 32.1/2 ÷ 1/6 =
  33. 33.5/6 ÷ 5/11 =
  34. 34.3/8 ÷ 6/7 =
  35. 35.1/6 ÷ 1/2 =
  36. 36.3/4 × 6/7 =
  37. 37.1/4 × 2/3 =
  38. 38.8/9 ÷ 2/7 =
  39. 39.2/3 ÷ 2/5 =
  40. 40.5/6 × 2/3 =

Answer key

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

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