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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 631 · 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. 1.2/5 × 1/2 =
  2. 2.1/3 × 3/7 =
  3. 3.9/10 × 1/3 =
  4. 4.5/6 ÷ 1/12 =
  5. 5.1/2 ÷ 3/4 =
  6. 6.2/7 ÷ 1/7 =
  7. 7.2/7 ÷ 2/5 =
  8. 8.1/3 ÷ 1/6 =
  9. 9.4/11 × 1/4 =
  10. 10.1/2 × 2/3 =
  11. 11.3/5 × 5/9 =
  12. 12.1/4 × 2/3 =
  13. 13.1/12 × 3/4 =
  14. 14.2/3 ÷ 2/5 =
  15. 15.1/2 ÷ 1/6 =
  16. 16.3/4 ÷ 1/4 =
  17. 17.3/4 × 1/12 =
  18. 18.11/12 ÷ 5/8 =
  19. 19.5/6 × 3/7 =
  20. 20.2/3 × 1/8 =
  21. 21.1/2 × 2/5 =
  22. 22.2/3 ÷ 1/3 =
  23. 23.1/4 ÷ 1/2 =
  24. 24.2/9 × 1/2 =
  25. 25.2/3 ÷ 1/3 =
  26. 26.2/5 ÷ 2/3 =
  27. 27.1/2 ÷ 1/12 =
  28. 28.3/4 × 1/6 =
  29. 29.1/4 ÷ 1/2 =
  30. 30.1/2 ÷ 3/4 =
  31. 31.1/2 × 2/3 =
  32. 32.1/4 ÷ 5/12 =
  33. 33.1/6 × 9/11 =
  34. 34.1/6 × 4/11 =
  35. 35.1/4 ÷ 7/8 =
  36. 36.1/8 × 2/5 =
  37. 37.8/9 ÷ 6/7 =
  38. 38.7/10 × 2/5 =
  39. 39.6/7 ÷ 3/4 =
  40. 40.2/9 × 3/7 =

Answer key

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

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