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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 139 · 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 × 4/9 =
  2. 2.2/3 ÷ 1/9 =
  3. 3.1/5 × 5/6 =
  4. 4.4/11 ÷ 2/3 =
  5. 5.1/4 ÷ 3/4 =
  6. 6.3/10 ÷ 3/5 =
  7. 7.9/10 ÷ 1/2 =
  8. 8.5/6 × 2/3 =
  9. 9.2/3 × 3/5 =
  10. 10.2/5 × 1/2 =
  11. 11.1/8 × 4/7 =
  12. 12.1/4 ÷ 1/2 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.1/2 ÷ 3/4 =
  15. 15.7/10 ÷ 1/4 =
  16. 16.3/5 × 2/3 =
  17. 17.6/11 × 1/8 =
  18. 18.1/2 ÷ 1/2 =
  19. 19.3/4 ÷ 1/2 =
  20. 20.5/7 × 3/5 =
  21. 21.1/6 ÷ 1/6 =
  22. 22.4/7 × 1/2 =
  23. 23.1/9 ÷ 2/3 =
  24. 24.7/10 ÷ 5/8 =
  25. 25.3/4 ÷ 1/6 =
  26. 26.1/7 ÷ 5/7 =
  27. 27.3/8 × 2/5 =
  28. 28.4/5 × 5/9 =
  29. 29.5/8 ÷ 3/8 =
  30. 30.1/3 ÷ 2/3 =
  31. 31.1/2 × 2/3 =
  32. 32.2/7 × 1/2 =
  33. 33.2/3 ÷ 2/5 =
  34. 34.1/9 × 3/5 =
  35. 35.1/4 × 2/5 =
  36. 36.4/9 ÷ 4/7 =
  37. 37.3/4 ÷ 1/2 =
  38. 38.2/3 × 1/4 =
  39. 39.1/8 × 8/9 =
  40. 40.6/7 × 4/9 =

Answer key

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

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