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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 41 · 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. 1.2/7 × 1/6 =
  2. 2.3/5 × 1/3 =
  3. 3.2/3 ÷ 4/5 =
  4. 4.3/10 × 1/9 =
  5. 5.4/5 ÷ 10/11 =
  6. 6.4/9 × 3/4 =
  7. 7.1/2 × 4/5 =
  8. 8.3/4 ÷ 1/2 =
  9. 9.2/5 × 1/2 =
  10. 10.2/3 × 1/2 =
  11. 11.2/11 × 1/4 =
  12. 12.1/4 × 2/7 =
  13. 13.1/6 ÷ 1/4 =
  14. 14.1/4 × 2/3 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.1/3 ÷ 2/3 =
  17. 17.7/10 ÷ 3/8 =
  18. 18.2/3 × 1/12 =
  19. 19.7/10 × 5/7 =
  20. 20.1/12 × 3/10 =
  21. 21.11/12 × 3/8 =
  22. 22.7/8 ÷ 1/2 =
  23. 23.1/5 ÷ 3/5 =
  24. 24.6/7 × 7/8 =
  25. 25.6/11 × 5/12 =
  26. 26.1/2 × 4/5 =
  27. 27.1/4 × 2/5 =
  28. 28.2/3 × 1/2 =
  29. 29.1/2 ÷ 3/4 =
  30. 30.2/3 ÷ 6/7 =
  31. 31.1/3 × 9/10 =
  32. 32.3/4 ÷ 1/2 =
  33. 33.1/2 × 2/3 =
  34. 34.1/2 × 6/11 =
  35. 35.3/5 × 5/12 =
  36. 36.1/6 ÷ 7/9 =
  37. 37.1/12 × 2/5 =
  38. 38.2/3 ÷ 1/3 =
  39. 39.3/4 × 2/7 =
  40. 40.2/3 × 1/2 =

Answer key

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

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