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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 519 · 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. 1.4/5 × 1/8 =
  2. 2.2/3 × 1/2 =
  3. 3.8/9 × 1/2 =
  4. 4.2/3 × 1/2 =
  5. 5.3/5 ÷ 1/5 =
  6. 6.2/3 ÷ 2/9 =
  7. 7.8/9 × 7/8 =
  8. 8.1/4 × 2/3 =
  9. 9.1/3 ÷ 1/9 =
  10. 10.1/2 × 4/5 =
  11. 11.1/4 × 6/11 =
  12. 12.7/8 ÷ 1/6 =
  13. 13.1/3 ÷ 7/9 =
  14. 14.2/3 × 5/6 =
  15. 15.3/4 ÷ 1/2 =
  16. 16.7/10 × 2/3 =
  17. 17.2/3 × 6/11 =
  18. 18.1/10 × 2/3 =
  19. 19.3/4 ÷ 6/11 =
  20. 20.1/2 ÷ 1/4 =
  21. 21.2/7 × 5/12 =
  22. 22.1/4 ÷ 1/6 =
  23. 23.11/12 ÷ 5/6 =
  24. 24.9/10 ÷ 1/12 =
  25. 25.1/12 ÷ 3/10 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.2/3 × 1/2 =
  28. 28.4/7 ÷ 2/3 =
  29. 29.1/2 × 2/7 =
  30. 30.2/3 × 1/2 =
  31. 31.3/8 × 2/3 =
  32. 32.2/11 ÷ 2/3 =
  33. 33.7/8 ÷ 5/6 =
  34. 34.1/2 ÷ 1/6 =
  35. 35.1/12 ÷ 1/6 =
  36. 36.1/6 × 6/7 =
  37. 37.5/6 ÷ 2/3 =
  38. 38.1/8 ÷ 5/6 =
  39. 39.2/3 ÷ 1/6 =
  40. 40.1/2 ÷ 3/4 =

Answer key

  1. 1/10
  2. 1/3
  3. 4/9
  4. 1/3
  5. 3
  6. 3
  7. 7/9
  8. 1/6
  9. 3
  10. 2/5
  11. 3/22
  12. 21/4
  13. 3/7
  14. 5/9
  15. 3/2
  16. 7/15
  17. 4/11
  18. 1/15
  19. 11/8
  20. 2
  21. 5/42
  22. 3/2
  23. 11/10
  24. 54/5
  25. 5/18
  26. 1
  27. 1/3
  28. 6/7
  29. 1/7
  30. 1/3
  31. 1/4
  32. 3/11
  33. 21/20
  34. 3
  35. 1/2
  36. 1/7
  37. 5/4
  38. 3/20
  39. 4
  40. 2/3

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