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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 252 · 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 × 4/5 =
  2. 2.1/8 × 6/11 =
  3. 3.1/4 ÷ 1/6 =
  4. 4.1/2 ÷ 3/4 =
  5. 5.3/10 × 7/9 =
  6. 6.1/6 ÷ 5/9 =
  7. 7.5/6 × 2/5 =
  8. 8.2/3 × 6/7 =
  9. 9.3/5 ÷ 1/5 =
  10. 10.2/3 ÷ 4/11 =
  11. 11.1/12 ÷ 1/2 =
  12. 12.2/3 ÷ 1/3 =
  13. 13.1/4 ÷ 5/6 =
  14. 14.3/8 ÷ 3/5 =
  15. 15.3/5 ÷ 2/5 =
  16. 16.1/3 ÷ 1/3 =
  17. 17.3/4 × 5/6 =
  18. 18.1/8 ÷ 1/4 =
  19. 19.3/7 × 1/12 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.1/2 ÷ 7/12 =
  22. 22.1/8 × 2/5 =
  23. 23.1/4 ÷ 1/2 =
  24. 24.2/3 × 1/2 =
  25. 25.2/3 × 3/5 =
  26. 26.1/2 × 2/3 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.3/5 × 1/6 =
  29. 29.2/3 × 5/6 =
  30. 30.4/11 × 1/2 =
  31. 31.1/2 ÷ 1/4 =
  32. 32.3/8 × 4/11 =
  33. 33.5/6 × 2/7 =
  34. 34.1/2 × 8/9 =
  35. 35.3/4 × 2/3 =
  36. 36.1/3 ÷ 1/3 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/2 ÷ 1/4 =
  39. 39.1/2 ÷ 1/4 =
  40. 40.7/10 × 2/3 =

Answer key

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

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