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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 783 · 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. 1.8/9 × 11/12 =
  2. 2.4/5 × 5/8 =
  3. 3.2/3 × 3/4 =
  4. 4.4/7 × 1/6 =
  5. 5.4/5 × 7/8 =
  6. 6.1/2 × 2/5 =
  7. 7.4/5 × 1/2 =
  8. 8.5/6 ÷ 2/3 =
  9. 9.3/11 × 1/3 =
  10. 10.1/2 × 2/3 =
  11. 11.1/4 × 2/3 =
  12. 12.1/2 × 4/9 =
  13. 13.1/6 ÷ 1/3 =
  14. 14.9/11 × 2/9 =
  15. 15.4/5 × 1/2 =
  16. 16.2/5 ÷ 1/10 =
  17. 17.1/2 ÷ 3/10 =
  18. 18.5/8 × 3/5 =
  19. 19.2/3 ÷ 4/5 =
  20. 20.11/12 × 2/7 =
  21. 21.3/7 × 1/3 =
  22. 22.1/6 × 2/5 =
  23. 23.1/2 × 10/11 =
  24. 24.4/5 × 5/8 =
  25. 25.7/12 × 2/3 =
  26. 26.2/3 × 1/4 =
  27. 27.3/8 × 6/7 =
  28. 28.2/3 × 1/2 =
  29. 29.2/3 ÷ 5/9 =
  30. 30.1/2 × 4/9 =
  31. 31.1/2 × 4/5 =
  32. 32.1/2 ÷ 1/2 =
  33. 33.1/3 × 3/4 =
  34. 34.7/9 × 3/8 =
  35. 35.6/7 × 1/6 =
  36. 36.2/3 ÷ 2/3 =
  37. 37.3/8 ÷ 1/2 =
  38. 38.1/4 ÷ 7/8 =
  39. 39.2/3 × 1/2 =
  40. 40.5/6 × 2/9 =

Answer key

  1. 22/27
  2. 1/2
  3. 1/2
  4. 2/21
  5. 7/10
  6. 1/5
  7. 2/5
  8. 5/4
  9. 1/11
  10. 1/3
  11. 1/6
  12. 2/9
  13. 1/2
  14. 2/11
  15. 2/5
  16. 4
  17. 5/3
  18. 3/8
  19. 5/6
  20. 11/42
  21. 1/7
  22. 1/15
  23. 5/11
  24. 1/2
  25. 7/18
  26. 1/6
  27. 9/28
  28. 1/3
  29. 6/5
  30. 2/9
  31. 2/5
  32. 1
  33. 1/4
  34. 7/24
  35. 1/7
  36. 1
  37. 3/4
  38. 2/7
  39. 1/3
  40. 5/27

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