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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 647 · 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 ÷ 3/8 =
  2. 2.7/12 × 4/5 =
  3. 3.4/5 ÷ 4/9 =
  4. 4.7/10 ÷ 1/2 =
  5. 5.1/4 ÷ 1/4 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.2/5 × 1/6 =
  8. 8.3/4 ÷ 5/6 =
  9. 9.1/8 ÷ 3/8 =
  10. 10.7/8 ÷ 1/2 =
  11. 11.4/5 × 7/10 =
  12. 12.9/10 × 1/3 =
  13. 13.6/7 × 1/2 =
  14. 14.3/10 ÷ 1/2 =
  15. 15.1/2 × 6/7 =
  16. 16.2/5 × 1/4 =
  17. 17.1/2 ÷ 1/6 =
  18. 18.6/7 ÷ 4/5 =
  19. 19.1/2 × 6/11 =
  20. 20.9/10 ÷ 1/5 =
  21. 21.1/12 ÷ 3/4 =
  22. 22.11/12 × 10/11 =
  23. 23.1/12 × 4/5 =
  24. 24.9/10 × 2/3 =
  25. 25.7/12 × 3/4 =
  26. 26.3/5 × 1/3 =
  27. 27.1/4 ÷ 1/2 =
  28. 28.2/11 × 3/10 =
  29. 29.1/4 ÷ 7/12 =
  30. 30.10/11 × 3/4 =
  31. 31.11/12 ÷ 1/2 =
  32. 32.3/4 × 2/5 =
  33. 33.1/6 ÷ 1/12 =
  34. 34.1/2 ÷ 1/2 =
  35. 35.2/3 × 1/2 =
  36. 36.1/3 × 3/4 =
  37. 37.4/11 ÷ 2/3 =
  38. 38.2/9 ÷ 8/11 =
  39. 39.2/3 ÷ 7/12 =
  40. 40.2/3 × 7/8 =

Answer key

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

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