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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 8 · 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. 1.2/3 × 3/5 =
  2. 2.5/8 × 2/3 =
  3. 3.2/3 × 1/8 =
  4. 4.4/5 × 3/10 =
  5. 5.10/11 × 7/12 =
  6. 6.3/5 ÷ 3/10 =
  7. 7.5/11 ÷ 5/9 =
  8. 8.1/3 ÷ 1/3 =
  9. 9.2/5 × 1/8 =
  10. 10.1/4 ÷ 1/6 =
  11. 11.8/9 × 3/11 =
  12. 12.2/3 × 3/4 =
  13. 13.1/4 × 2/3 =
  14. 14.6/7 × 2/3 =
  15. 15.1/2 × 2/9 =
  16. 16.1/10 ÷ 9/10 =
  17. 17.1/2 ÷ 1/6 =
  18. 18.1/4 ÷ 1/6 =
  19. 19.2/3 ÷ 5/6 =
  20. 20.1/2 ÷ 3/8 =
  21. 21.2/3 × 3/4 =
  22. 22.1/3 ÷ 1/12 =
  23. 23.2/3 ÷ 6/7 =
  24. 24.1/2 × 2/9 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.6/11 ÷ 2/5 =
  27. 27.1/3 ÷ 4/9 =
  28. 28.3/4 ÷ 3/5 =
  29. 29.11/12 ÷ 2/3 =
  30. 30.2/3 × 1/4 =
  31. 31.2/3 × 7/10 =
  32. 32.8/11 × 3/10 =
  33. 33.2/3 ÷ 2/7 =
  34. 34.2/3 ÷ 1/3 =
  35. 35.3/11 ÷ 9/11 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.1/2 × 2/5 =
  38. 38.1/4 ÷ 3/4 =
  39. 39.1/8 × 2/3 =
  40. 40.1/4 × 2/3 =

Answer key

  1. 2/5
  2. 5/12
  3. 1/12
  4. 6/25
  5. 35/66
  6. 2
  7. 9/11
  8. 1
  9. 1/20
  10. 3/2
  11. 8/33
  12. 1/2
  13. 1/6
  14. 4/7
  15. 1/9
  16. 1/9
  17. 3
  18. 3/2
  19. 4/5
  20. 4/3
  21. 1/2
  22. 4
  23. 7/9
  24. 1/9
  25. 1/2
  26. 15/11
  27. 3/4
  28. 5/4
  29. 11/8
  30. 1/6
  31. 7/15
  32. 12/55
  33. 7/3
  34. 2
  35. 1/3
  36. 1
  37. 1/5
  38. 1/3
  39. 1/12
  40. 1/6

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