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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 782 · 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. 1.2/3 × 7/12 =
  2. 2.1/12 ÷ 2/3 =
  3. 3.2/3 × 1/10 =
  4. 4.8/11 × 1/2 =
  5. 5.1/2 ÷ 5/12 =
  6. 6.10/11 × 1/6 =
  7. 7.2/3 × 6/11 =
  8. 8.1/2 ÷ 1/2 =
  9. 9.3/8 × 4/7 =
  10. 10.6/11 ÷ 7/11 =
  11. 11.1/6 ÷ 1/2 =
  12. 12.2/3 × 1/2 =
  13. 13.5/12 ÷ 1/10 =
  14. 14.1/2 ÷ 5/12 =
  15. 15.5/6 ÷ 1/2 =
  16. 16.1/2 ÷ 7/8 =
  17. 17.3/4 ÷ 9/10 =
  18. 18.2/3 × 1/4 =
  19. 19.1/3 ÷ 1/9 =
  20. 20.5/12 × 4/9 =
  21. 21.1/2 ÷ 1/8 =
  22. 22.3/4 × 5/6 =
  23. 23.2/3 ÷ 2/7 =
  24. 24.6/7 × 5/6 =
  25. 25.3/8 × 2/3 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.2/9 × 1/2 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.2/5 × 1/4 =
  30. 30.11/12 ÷ 3/4 =
  31. 31.1/12 ÷ 1/2 =
  32. 32.1/4 ÷ 1/2 =
  33. 33.3/4 × 2/3 =
  34. 34.1/3 ÷ 1/6 =
  35. 35.5/6 ÷ 2/3 =
  36. 36.5/12 ÷ 1/3 =
  37. 37.2/3 × 1/2 =
  38. 38.5/9 ÷ 10/11 =
  39. 39.2/5 × 1/2 =
  40. 40.3/4 × 1/3 =

Answer key

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

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