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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 624 · 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. 1.3/8 × 4/9 =
  2. 2.5/6 × 3/5 =
  3. 3.8/11 × 1/2 =
  4. 4.8/9 ÷ 8/9 =
  5. 5.2/3 × 5/12 =
  6. 6.1/2 × 10/11 =
  7. 7.2/7 × 1/4 =
  8. 8.1/2 × 10/11 =
  9. 9.3/10 × 5/9 =
  10. 10.7/9 ÷ 1/3 =
  11. 11.2/3 × 1/6 =
  12. 12.11/12 ÷ 11/12 =
  13. 13.7/8 ÷ 1/6 =
  14. 14.1/8 ÷ 3/4 =
  15. 15.1/12 ÷ 1/8 =
  16. 16.3/5 × 8/9 =
  17. 17.1/2 ÷ 11/12 =
  18. 18.5/8 × 10/11 =
  19. 19.1/2 ÷ 1/4 =
  20. 20.1/4 × 2/3 =
  21. 21.3/4 ÷ 3/5 =
  22. 22.10/11 ÷ 6/7 =
  23. 23.9/10 × 8/9 =
  24. 24.2/3 × 1/2 =
  25. 25.2/3 ÷ 8/11 =
  26. 26.1/3 ÷ 1/3 =
  27. 27.2/3 × 5/8 =
  28. 28.3/5 × 5/6 =
  29. 29.1/2 × 2/3 =
  30. 30.1/6 × 3/4 =
  31. 31.2/3 ÷ 1/3 =
  32. 32.1/2 ÷ 1/4 =
  33. 33.1/2 ÷ 3/4 =
  34. 34.2/3 ÷ 2/3 =
  35. 35.1/3 × 3/11 =
  36. 36.6/7 ÷ 3/4 =
  37. 37.1/3 × 3/5 =
  38. 38.1/2 × 2/3 =
  39. 39.3/8 ÷ 11/12 =
  40. 40.3/4 × 2/7 =

Answer key

  1. 1/6
  2. 1/2
  3. 4/11
  4. 1
  5. 5/18
  6. 5/11
  7. 1/14
  8. 5/11
  9. 1/6
  10. 7/3
  11. 1/9
  12. 1
  13. 21/4
  14. 1/6
  15. 2/3
  16. 8/15
  17. 6/11
  18. 25/44
  19. 2
  20. 1/6
  21. 5/4
  22. 35/33
  23. 4/5
  24. 1/3
  25. 11/12
  26. 1
  27. 5/12
  28. 1/2
  29. 1/3
  30. 1/8
  31. 2
  32. 2
  33. 2/3
  34. 1
  35. 1/11
  36. 8/7
  37. 1/5
  38. 1/3
  39. 9/22
  40. 3/14

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