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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 440 · 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. 1.5/9 × 4/5 =
  2. 2.1/2 × 2/7 =
  3. 3.1/12 ÷ 1/3 =
  4. 4.1/4 ÷ 5/8 =
  5. 5.1/10 ÷ 1/2 =
  6. 6.4/7 × 7/8 =
  7. 7.1/4 ÷ 1/2 =
  8. 8.1/2 × 4/5 =
  9. 9.6/11 × 1/2 =
  10. 10.4/5 ÷ 10/11 =
  11. 11.1/8 ÷ 1/4 =
  12. 12.2/7 × 3/4 =
  13. 13.2/5 × 1/2 =
  14. 14.2/3 × 7/12 =
  15. 15.1/2 × 2/5 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.8/9 ÷ 1/3 =
  18. 18.10/11 × 1/2 =
  19. 19.1/3 ÷ 1/3 =
  20. 20.3/8 ÷ 3/7 =
  21. 21.5/6 ÷ 7/9 =
  22. 22.1/4 ÷ 1/2 =
  23. 23.1/2 ÷ 1/4 =
  24. 24.3/4 × 2/5 =
  25. 25.2/9 ÷ 5/12 =
  26. 26.1/6 ÷ 1/3 =
  27. 27.2/11 × 1/2 =
  28. 28.1/2 × 2/3 =
  29. 29.3/10 ÷ 1/6 =
  30. 30.1/3 ÷ 7/12 =
  31. 31.3/4 × 1/6 =
  32. 32.2/3 × 6/7 =
  33. 33.5/6 × 4/5 =
  34. 34.3/5 × 7/12 =
  35. 35.1/5 ÷ 1/5 =
  36. 36.5/6 ÷ 2/3 =
  37. 37.7/12 ÷ 7/8 =
  38. 38.1/2 ÷ 1/2 =
  39. 39.1/2 ÷ 1/2 =
  40. 40.1/3 × 3/8 =

Answer key

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

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