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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 117 · 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. 1.3/8 × 5/12 =
  2. 2.1/5 ÷ 1/5 =
  3. 3.1/2 ÷ 1/4 =
  4. 4.2/9 ÷ 2/5 =
  5. 5.4/7 × 1/2 =
  6. 6.1/3 × 3/11 =
  7. 7.6/7 × 2/9 =
  8. 8.3/4 ÷ 1/4 =
  9. 9.2/3 × 1/2 =
  10. 10.1/4 × 2/3 =
  11. 11.4/9 × 1/6 =
  12. 12.2/3 × 7/10 =
  13. 13.1/2 ÷ 1/12 =
  14. 14.1/4 ÷ 1/2 =
  15. 15.1/2 ÷ 5/8 =
  16. 16.5/6 × 7/10 =
  17. 17.5/8 ÷ 1/2 =
  18. 18.3/4 ÷ 1/2 =
  19. 19.1/8 × 2/3 =
  20. 20.4/11 ÷ 2/3 =
  21. 21.3/4 × 1/3 =
  22. 22.5/12 ÷ 2/3 =
  23. 23.1/9 ÷ 1/6 =
  24. 24.1/2 ÷ 1/4 =
  25. 25.1/6 ÷ 3/4 =
  26. 26.1/6 × 8/9 =
  27. 27.1/4 ÷ 1/2 =
  28. 28.3/8 × 2/3 =
  29. 29.10/11 × 3/10 =
  30. 30.1/3 × 3/7 =
  31. 31.8/9 × 1/2 =
  32. 32.2/3 ÷ 4/11 =
  33. 33.9/11 ÷ 3/4 =
  34. 34.1/3 × 3/4 =
  35. 35.2/3 × 1/10 =
  36. 36.1/3 ÷ 1/6 =
  37. 37.3/8 ÷ 1/2 =
  38. 38.6/11 × 1/3 =
  39. 39.5/6 × 2/5 =
  40. 40.2/3 × 1/4 =

Answer key

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

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