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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 544 · 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 × 2/7 =
  2. 2.4/9 × 3/10 =
  3. 3.2/3 × 1/2 =
  4. 4.9/10 × 5/12 =
  5. 5.3/11 × 1/9 =
  6. 6.4/9 × 3/10 =
  7. 7.5/6 ÷ 2/3 =
  8. 8.5/8 × 4/7 =
  9. 9.8/9 × 1/2 =
  10. 10.3/4 × 4/11 =
  11. 11.2/3 × 3/8 =
  12. 12.3/4 ÷ 1/2 =
  13. 13.1/2 × 4/5 =
  14. 14.4/5 ÷ 2/3 =
  15. 15.2/3 × 1/8 =
  16. 16.5/12 ÷ 5/11 =
  17. 17.1/3 × 3/4 =
  18. 18.1/2 × 2/3 =
  19. 19.1/6 ÷ 3/8 =
  20. 20.2/7 × 3/4 =
  21. 21.3/4 ÷ 11/12 =
  22. 22.4/7 ÷ 5/7 =
  23. 23.10/11 × 1/5 =
  24. 24.3/4 ÷ 5/6 =
  25. 25.4/5 × 5/9 =
  26. 26.5/6 × 2/3 =
  27. 27.1/6 × 3/4 =
  28. 28.1/2 × 2/3 =
  29. 29.3/4 ÷ 9/11 =
  30. 30.1/2 × 2/3 =
  31. 31.3/4 × 2/5 =
  32. 32.1/2 × 2/3 =
  33. 33.5/9 × 1/5 =
  34. 34.6/11 ÷ 4/5 =
  35. 35.2/5 × 1/2 =
  36. 36.7/8 × 2/5 =
  37. 37.1/2 × 4/5 =
  38. 38.1/4 ÷ 1/2 =
  39. 39.1/3 ÷ 1/6 =
  40. 40.6/11 × 1/3 =

Answer key

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

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