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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 23 · 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 × 1/2 =
  2. 2.1/2 × 2/11 =
  3. 3.3/5 × 1/3 =
  4. 4.10/11 × 1/4 =
  5. 5.1/4 × 2/9 =
  6. 6.1/2 ÷ 3/4 =
  7. 7.2/3 × 1/2 =
  8. 8.1/4 × 2/3 =
  9. 9.4/5 ÷ 1/5 =
  10. 10.5/11 ÷ 9/11 =
  11. 11.7/9 × 9/10 =
  12. 12.3/8 ÷ 1/2 =
  13. 13.4/7 ÷ 5/7 =
  14. 14.11/12 × 9/10 =
  15. 15.6/11 × 3/4 =
  16. 16.11/12 × 2/3 =
  17. 17.6/7 × 1/2 =
  18. 18.3/10 ÷ 1/4 =
  19. 19.5/12 × 3/4 =
  20. 20.1/6 ÷ 3/8 =
  21. 21.2/3 × 3/7 =
  22. 22.1/2 ÷ 7/12 =
  23. 23.2/3 ÷ 1/12 =
  24. 24.5/7 ÷ 5/11 =
  25. 25.1/4 × 2/3 =
  26. 26.3/5 × 1/3 =
  27. 27.2/3 ÷ 8/11 =
  28. 28.3/7 × 2/3 =
  29. 29.1/4 ÷ 1/6 =
  30. 30.1/8 ÷ 1/2 =
  31. 31.7/9 ÷ 1/6 =
  32. 32.1/4 × 2/5 =
  33. 33.1/3 ÷ 5/6 =
  34. 34.1/5 × 5/7 =
  35. 35.2/3 ÷ 1/6 =
  36. 36.1/2 × 6/7 =
  37. 37.1/4 ÷ 3/4 =
  38. 38.3/5 × 2/3 =
  39. 39.3/4 ÷ 1/4 =
  40. 40.4/9 × 3/4 =

Answer key

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

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