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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 811 · 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. 2.1/4 × 2/3 =
  3. 3.5/6 ÷ 5/9 =
  4. 4.1/4 × 4/9 =
  5. 5.7/12 ÷ 1/3 =
  6. 6.4/5 ÷ 4/11 =
  7. 7.5/6 × 1/5 =
  8. 8.3/8 × 1/3 =
  9. 9.1/2 ÷ 5/8 =
  10. 10.1/8 × 2/5 =
  11. 11.5/6 × 4/5 =
  12. 12.2/5 ÷ 1/5 =
  13. 13.8/11 × 3/8 =
  14. 14.3/11 × 1/3 =
  15. 15.5/8 ÷ 3/8 =
  16. 16.1/2 × 8/9 =
  17. 17.1/4 × 10/11 =
  18. 18.2/3 × 11/12 =
  19. 19.4/7 × 1/2 =
  20. 20.2/3 × 1/2 =
  21. 21.1/2 × 2/3 =
  22. 22.3/10 × 5/6 =
  23. 23.5/12 ÷ 2/3 =
  24. 24.7/8 × 2/11 =
  25. 25.5/8 ÷ 1/2 =
  26. 26.6/7 × 1/4 =
  27. 27.6/7 × 1/12 =
  28. 28.1/6 × 3/4 =
  29. 29.5/6 ÷ 1/6 =
  30. 30.1/2 × 4/5 =
  31. 31.7/8 × 2/7 =
  32. 32.1/2 ÷ 9/10 =
  33. 33.2/3 × 3/5 =
  34. 34.2/3 × 5/12 =
  35. 35.3/4 ÷ 1/2 =
  36. 36.6/7 × 3/4 =
  37. 37.2/3 × 7/12 =
  38. 38.10/11 × 1/2 =
  39. 39.1/4 ÷ 7/8 =
  40. 40.2/3 ÷ 1/6 =

Answer key

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

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