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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 717 · 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. 1.1/2 × 4/5 =
  2. 2.1/2 ÷ 1/2 =
  3. 3.1/2 ÷ 1/2 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.3/5 × 2/9 =
  6. 6.3/4 ÷ 5/6 =
  7. 7.1/2 × 8/9 =
  8. 8.2/9 × 3/4 =
  9. 9.3/4 × 2/11 =
  10. 10.5/8 × 2/3 =
  11. 11.5/12 × 2/5 =
  12. 12.1/5 ÷ 4/5 =
  13. 13.1/3 ÷ 8/9 =
  14. 14.10/11 ÷ 2/3 =
  15. 15.2/9 × 1/4 =
  16. 16.2/3 × 1/2 =
  17. 17.1/10 × 5/7 =
  18. 18.9/10 ÷ 3/4 =
  19. 19.4/5 × 3/4 =
  20. 20.5/6 × 4/7 =
  21. 21.1/9 × 3/8 =
  22. 22.5/9 ÷ 2/3 =
  23. 23.3/8 ÷ 9/11 =
  24. 24.3/4 ÷ 3/4 =
  25. 25.7/8 ÷ 7/12 =
  26. 26.4/9 × 1/2 =
  27. 27.2/3 ÷ 1/3 =
  28. 28.3/4 × 2/9 =
  29. 29.1/3 ÷ 2/9 =
  30. 30.1/5 × 5/9 =
  31. 31.3/4 × 10/11 =
  32. 32.5/8 ÷ 1/2 =
  33. 33.1/2 ÷ 1/2 =
  34. 34.1/4 × 2/5 =
  35. 35.7/12 ÷ 2/3 =
  36. 36.2/9 × 1/2 =
  37. 37.3/7 × 1/3 =
  38. 38.3/4 ÷ 5/6 =
  39. 39.1/2 × 2/9 =
  40. 40.1/6 ÷ 1/9 =

Answer key

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

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