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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 179 · 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. 1.9/10 × 1/12 =
  2. 2.3/4 × 1/3 =
  3. 3.1/3 ÷ 2/3 =
  4. 4.5/8 ÷ 1/2 =
  5. 5.8/9 ÷ 1/6 =
  6. 6.2/3 ÷ 6/11 =
  7. 7.3/4 ÷ 3/4 =
  8. 8.6/11 ÷ 4/5 =
  9. 9.1/2 ÷ 3/4 =
  10. 10.6/11 × 3/4 =
  11. 11.1/7 × 7/8 =
  12. 12.1/4 ÷ 5/8 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.1/3 ÷ 2/3 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.3/11 × 7/9 =
  17. 17.9/11 × 2/3 =
  18. 18.6/11 ÷ 2/5 =
  19. 19.2/11 ÷ 2/3 =
  20. 20.1/3 × 6/11 =
  21. 21.1/12 ÷ 1/2 =
  22. 22.2/3 ÷ 6/7 =
  23. 23.1/3 ÷ 1/6 =
  24. 24.5/9 × 2/5 =
  25. 25.3/5 × 5/9 =
  26. 26.4/5 × 1/2 =
  27. 27.3/5 ÷ 4/5 =
  28. 28.1/4 ÷ 1/2 =
  29. 29.2/3 ÷ 1/12 =
  30. 30.3/4 ÷ 1/4 =
  31. 31.4/5 × 5/8 =
  32. 32.2/3 × 1/4 =
  33. 33.2/3 × 5/6 =
  34. 34.1/2 × 4/7 =
  35. 35.2/3 × 1/12 =
  36. 36.3/11 × 1/9 =
  37. 37.1/10 × 8/11 =
  38. 38.9/10 ÷ 1/2 =
  39. 39.1/3 ÷ 2/3 =
  40. 40.11/12 × 3/10 =

Answer key

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

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