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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 740 · 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 × 2/3 =
  2. 2.1/2 ÷ 1/12 =
  3. 3.1/3 × 3/5 =
  4. 4.1/2 × 2/3 =
  5. 5.4/9 × 1/4 =
  6. 6.2/3 × 5/12 =
  7. 7.4/7 × 3/8 =
  8. 8.4/5 × 1/2 =
  9. 9.1/4 ÷ 1/2 =
  10. 10.2/3 ÷ 2/5 =
  11. 11.1/4 ÷ 1/2 =
  12. 12.11/12 ÷ 1/6 =
  13. 13.8/11 × 9/10 =
  14. 14.8/11 × 1/4 =
  15. 15.1/2 ÷ 1/10 =
  16. 16.1/2 × 8/11 =
  17. 17.7/8 × 2/7 =
  18. 18.4/5 × 1/4 =
  19. 19.1/9 ÷ 11/12 =
  20. 20.3/4 ÷ 3/5 =
  21. 21.3/5 ÷ 3/7 =
  22. 22.1/2 ÷ 1/4 =
  23. 23.6/7 × 1/2 =
  24. 24.2/7 × 1/2 =
  25. 25.2/3 ÷ 7/9 =
  26. 26.3/4 ÷ 1/2 =
  27. 27.3/4 × 4/7 =
  28. 28.4/5 ÷ 2/3 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.1/3 ÷ 1/6 =
  31. 31.5/6 ÷ 1/3 =
  32. 32.1/5 ÷ 3/5 =
  33. 33.3/4 × 1/3 =
  34. 34.1/5 × 5/6 =
  35. 35.1/5 ÷ 4/5 =
  36. 36.1/3 ÷ 1/3 =
  37. 37.2/11 × 1/2 =
  38. 38.2/9 ÷ 2/3 =
  39. 39.2/11 ÷ 1/11 =
  40. 40.9/11 × 1/3 =

Answer key

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

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