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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 791 · 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. 1.11/12 × 2/3 =
  2. 2.1/2 ÷ 3/10 =
  3. 3.3/4 × 5/9 =
  4. 4.1/2 × 2/3 =
  5. 5.1/5 ÷ 2/5 =
  6. 6.1/2 ÷ 1/2 =
  7. 7.3/4 ÷ 1/2 =
  8. 8.3/5 ÷ 1/5 =
  9. 9.1/2 ÷ 1/2 =
  10. 10.1/2 × 2/3 =
  11. 11.1/2 ÷ 3/4 =
  12. 12.1/2 × 2/3 =
  13. 13.3/5 × 1/6 =
  14. 14.2/3 ÷ 5/12 =
  15. 15.2/5 ÷ 10/11 =
  16. 16.1/4 ÷ 1/2 =
  17. 17.1/6 ÷ 1/2 =
  18. 18.3/10 ÷ 9/11 =
  19. 19.2/3 × 1/4 =
  20. 20.10/11 × 11/12 =
  21. 21.1/3 ÷ 2/3 =
  22. 22.1/2 × 2/3 =
  23. 23.5/12 ÷ 1/8 =
  24. 24.5/6 ÷ 1/2 =
  25. 25.1/2 ÷ 3/4 =
  26. 26.1/3 ÷ 1/3 =
  27. 27.1/3 × 3/8 =
  28. 28.1/9 × 3/4 =
  29. 29.4/5 × 1/2 =
  30. 30.10/11 × 5/8 =
  31. 31.3/5 × 7/12 =
  32. 32.1/6 ÷ 1/2 =
  33. 33.3/5 × 5/6 =
  34. 34.2/3 × 1/2 =
  35. 35.2/9 × 1/8 =
  36. 36.4/5 × 1/2 =
  37. 37.7/12 × 3/8 =
  38. 38.1/2 × 2/3 =
  39. 39.10/11 ÷ 5/8 =
  40. 40.1/2 × 2/3 =

Answer key

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

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