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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 640 · 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. 1.8/9 × 1/2 =
  2. 2.2/5 ÷ 1/5 =
  3. 3.2/5 × 3/8 =
  4. 4.2/7 ÷ 2/7 =
  5. 5.1/2 × 2/5 =
  6. 6.5/6 ÷ 1/4 =
  7. 7.2/7 ÷ 2/7 =
  8. 8.4/11 × 1/2 =
  9. 9.1/2 ÷ 1/2 =
  10. 10.1/2 × 2/7 =
  11. 11.2/7 × 5/6 =
  12. 12.2/5 × 1/12 =
  13. 13.1/2 × 8/9 =
  14. 14.1/3 × 6/7 =
  15. 15.2/5 × 1/2 =
  16. 16.1/6 ÷ 1/3 =
  17. 17.1/4 × 2/5 =
  18. 18.4/9 × 1/8 =
  19. 19.3/4 ÷ 3/5 =
  20. 20.3/11 × 4/9 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.2/3 ÷ 2/3 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.1/6 ÷ 3/4 =
  25. 25.5/12 ÷ 1/2 =
  26. 26.3/5 × 2/9 =
  27. 27.1/9 ÷ 1/9 =
  28. 28.9/10 × 1/6 =
  29. 29.8/9 ÷ 2/3 =
  30. 30.1/2 × 2/3 =
  31. 31.7/12 ÷ 3/4 =
  32. 32.1/2 × 8/9 =
  33. 33.1/2 × 2/3 =
  34. 34.5/6 ÷ 1/4 =
  35. 35.1/3 ÷ 5/12 =
  36. 36.4/5 ÷ 2/3 =
  37. 37.1/2 × 6/11 =
  38. 38.3/4 × 2/3 =
  39. 39.1/2 × 2/3 =
  40. 40.6/7 ÷ 3/4 =

Answer key

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

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