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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 181 · 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. 2.4/7 ÷ 2/3 =
  3. 3.1/4 × 4/9 =
  4. 4.1/2 ÷ 1/10 =
  5. 5.3/4 × 1/3 =
  6. 6.5/6 × 2/5 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.5/6 ÷ 1/12 =
  9. 9.11/12 ÷ 1/2 =
  10. 10.2/7 × 1/12 =
  11. 11.5/6 ÷ 7/8 =
  12. 12.3/4 ÷ 1/2 =
  13. 13.1/4 × 2/5 =
  14. 14.1/2 ÷ 5/8 =
  15. 15.1/2 × 10/11 =
  16. 16.5/6 ÷ 2/3 =
  17. 17.2/3 × 1/2 =
  18. 18.5/11 ÷ 2/11 =
  19. 19.5/6 ÷ 3/10 =
  20. 20.1/8 × 6/7 =
  21. 21.2/3 × 1/2 =
  22. 22.7/8 × 2/7 =
  23. 23.2/3 ÷ 1/6 =
  24. 24.1/3 × 3/5 =
  25. 25.3/10 ÷ 4/5 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.1/3 × 3/4 =
  28. 28.4/5 × 5/9 =
  29. 29.1/8 ÷ 5/12 =
  30. 30.1/4 × 2/5 =
  31. 31.2/3 ÷ 2/9 =
  32. 32.2/3 × 1/2 =
  33. 33.2/3 × 3/5 =
  34. 34.2/3 × 1/2 =
  35. 35.2/3 × 1/2 =
  36. 36.1/9 × 3/7 =
  37. 37.3/4 × 8/11 =
  38. 38.1/10 × 4/5 =
  39. 39.1/2 × 2/5 =
  40. 40.2/3 × 1/2 =

Answer key

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

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