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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 637 · 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. 1.3/4 × 2/7 =
  2. 2.2/3 × 1/6 =
  3. 3.5/8 × 4/9 =
  4. 4.5/6 × 2/9 =
  5. 5.2/7 ÷ 2/3 =
  6. 6.9/11 × 1/6 =
  7. 7.2/7 ÷ 2/3 =
  8. 8.1/2 × 2/3 =
  9. 9.2/5 × 7/12 =
  10. 10.7/8 × 4/5 =
  11. 11.5/6 × 4/5 =
  12. 12.5/8 × 2/7 =
  13. 13.2/3 ÷ 1/3 =
  14. 14.1/5 × 5/8 =
  15. 15.6/7 ÷ 3/4 =
  16. 16.8/9 ÷ 4/5 =
  17. 17.1/6 ÷ 3/4 =
  18. 18.11/12 ÷ 1/3 =
  19. 19.1/4 ÷ 1/4 =
  20. 20.1/2 × 2/5 =
  21. 21.2/3 × 1/2 =
  22. 22.1/2 × 2/3 =
  23. 23.2/3 ÷ 2/7 =
  24. 24.2/7 × 1/2 =
  25. 25.4/5 × 1/2 =
  26. 26.2/9 ÷ 1/3 =
  27. 27.5/6 ÷ 1/2 =
  28. 28.1/12 ÷ 3/10 =
  29. 29.3/4 ÷ 5/6 =
  30. 30.1/5 ÷ 2/5 =
  31. 31.2/3 × 1/12 =
  32. 32.2/11 ÷ 9/11 =
  33. 33.3/4 ÷ 1/6 =
  34. 34.1/2 × 2/3 =
  35. 35.6/7 × 1/2 =
  36. 36.2/3 × 1/4 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/2 × 8/9 =
  39. 39.1/2 ÷ 1/2 =
  40. 40.1/2 × 2/5 =

Answer key

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

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