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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 317 · 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. 1.5/8 ÷ 1/4 =
  2. 2.7/10 ÷ 4/5 =
  3. 3.3/5 × 1/9 =
  4. 4.1/3 × 3/4 =
  5. 5.2/3 × 1/2 =
  6. 6.1/4 × 2/11 =
  7. 7.2/3 × 5/6 =
  8. 8.4/5 × 1/8 =
  9. 9.4/5 × 3/4 =
  10. 10.2/7 × 1/8 =
  11. 11.7/9 × 3/4 =
  12. 12.1/3 × 3/10 =
  13. 13.1/6 × 2/3 =
  14. 14.7/12 ÷ 2/3 =
  15. 15.2/3 × 1/6 =
  16. 16.4/11 ÷ 1/11 =
  17. 17.3/4 ÷ 1/2 =
  18. 18.4/11 × 7/10 =
  19. 19.6/7 × 5/9 =
  20. 20.5/6 ÷ 1/4 =
  21. 21.4/5 ÷ 4/7 =
  22. 22.1/2 × 4/5 =
  23. 23.5/6 ÷ 1/2 =
  24. 24.1/6 × 3/4 =
  25. 25.3/8 × 8/11 =
  26. 26.11/12 × 3/7 =
  27. 27.1/4 ÷ 3/4 =
  28. 28.4/5 ÷ 4/5 =
  29. 29.5/12 ÷ 2/3 =
  30. 30.1/4 ÷ 1/2 =
  31. 31.5/6 × 2/3 =
  32. 32.3/5 ÷ 1/10 =
  33. 33.2/5 ÷ 6/7 =
  34. 34.1/3 ÷ 7/9 =
  35. 35.2/3 × 3/7 =
  36. 36.2/9 ÷ 7/9 =
  37. 37.8/9 × 1/6 =
  38. 38.3/4 × 5/6 =
  39. 39.1/2 ÷ 5/6 =
  40. 40.5/6 × 2/5 =

Answer key

  1. 5/2
  2. 7/8
  3. 1/15
  4. 1/4
  5. 1/3
  6. 1/22
  7. 5/9
  8. 1/10
  9. 3/5
  10. 1/28
  11. 7/12
  12. 1/10
  13. 1/9
  14. 7/8
  15. 1/9
  16. 4
  17. 3/2
  18. 14/55
  19. 10/21
  20. 10/3
  21. 7/5
  22. 2/5
  23. 5/3
  24. 1/8
  25. 3/11
  26. 11/28
  27. 1/3
  28. 1
  29. 5/8
  30. 1/2
  31. 5/9
  32. 6
  33. 7/15
  34. 3/7
  35. 2/7
  36. 2/7
  37. 4/27
  38. 5/8
  39. 3/5
  40. 1/3

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