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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 57 · 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. 1.5/11 × 4/5 =
  2. 2.2/3 × 1/4 =
  3. 3.4/9 × 1/2 =
  4. 4.2/3 × 1/2 =
  5. 5.4/5 × 1/6 =
  6. 6.7/8 ÷ 3/4 =
  7. 7.1/8 ÷ 1/8 =
  8. 8.7/12 ÷ 1/2 =
  9. 9.1/6 × 4/9 =
  10. 10.4/7 × 3/4 =
  11. 11.3/4 × 5/6 =
  12. 12.2/5 × 1/2 =
  13. 13.11/12 ÷ 3/4 =
  14. 14.4/11 × 5/8 =
  15. 15.2/3 ÷ 2/3 =
  16. 16.4/5 ÷ 3/10 =
  17. 17.8/11 ÷ 6/7 =
  18. 18.1/2 × 4/7 =
  19. 19.3/4 × 1/3 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.3/10 ÷ 3/4 =
  22. 22.5/12 ÷ 2/3 =
  23. 23.5/6 ÷ 1/2 =
  24. 24.2/5 ÷ 2/3 =
  25. 25.2/3 ÷ 2/5 =
  26. 26.1/4 ÷ 5/6 =
  27. 27.1/12 ÷ 1/4 =
  28. 28.3/4 ÷ 1/2 =
  29. 29.2/3 × 6/7 =
  30. 30.1/2 × 2/3 =
  31. 31.1/2 ÷ 3/4 =
  32. 32.1/2 × 4/5 =
  33. 33.2/3 ÷ 2/5 =
  34. 34.5/8 × 2/3 =
  35. 35.3/8 ÷ 9/11 =
  36. 36.2/3 × 1/12 =
  37. 37.2/3 ÷ 1/12 =
  38. 38.2/3 ÷ 4/11 =
  39. 39.2/5 × 1/2 =
  40. 40.1/6 × 3/4 =

Answer key

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

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