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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 3 · 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. 1.2/9 ÷ 4/9 =
  2. 2.3/4 ÷ 3/7 =
  3. 3.1/2 × 4/5 =
  4. 4.1/5 × 5/9 =
  5. 5.1/2 ÷ 1/4 =
  6. 6.3/8 × 2/3 =
  7. 7.3/11 × 1/6 =
  8. 8.1/3 × 3/4 =
  9. 9.3/5 × 5/9 =
  10. 10.9/11 × 1/6 =
  11. 11.1/2 × 2/3 =
  12. 12.7/8 ÷ 3/8 =
  13. 13.10/11 × 1/6 =
  14. 14.5/6 ÷ 1/4 =
  15. 15.5/7 × 1/10 =
  16. 16.6/7 × 3/4 =
  17. 17.1/8 × 6/7 =
  18. 18.2/3 × 1/4 =
  19. 19.2/7 ÷ 2/3 =
  20. 20.1/4 × 4/11 =
  21. 21.2/7 × 1/2 =
  22. 22.1/3 × 9/11 =
  23. 23.1/5 × 5/7 =
  24. 24.4/7 ÷ 3/7 =
  25. 25.4/7 × 7/12 =
  26. 26.11/12 × 4/9 =
  27. 27.5/8 × 8/9 =
  28. 28.1/3 × 3/5 =
  29. 29.1/4 ÷ 1/2 =
  30. 30.1/5 × 5/6 =
  31. 31.1/2 × 2/3 =
  32. 32.9/11 × 1/6 =
  33. 33.1/2 × 2/3 =
  34. 34.4/9 ÷ 1/3 =
  35. 35.4/11 × 1/2 =
  36. 36.2/7 × 3/4 =
  37. 37.2/3 × 3/5 =
  38. 38.4/5 × 5/7 =
  39. 39.1/6 ÷ 1/3 =
  40. 40.4/5 × 1/2 =

Answer key

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

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