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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 550 · 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 × 2/3 =
  2. 2.1/2 ÷ 5/8 =
  3. 3.3/4 ÷ 3/11 =
  4. 4.2/3 ÷ 7/9 =
  5. 5.1/3 × 3/4 =
  6. 6.2/3 × 3/4 =
  7. 7.4/9 × 1/2 =
  8. 8.5/12 × 8/9 =
  9. 9.1/2 ÷ 3/4 =
  10. 10.4/9 × 3/4 =
  11. 11.1/3 × 9/10 =
  12. 12.2/11 × 3/4 =
  13. 13.2/3 ÷ 1/9 =
  14. 14.1/2 × 2/3 =
  15. 15.1/4 × 2/5 =
  16. 16.1/2 ÷ 3/8 =
  17. 17.2/7 × 1/2 =
  18. 18.1/9 ÷ 1/12 =
  19. 19.1/6 ÷ 7/8 =
  20. 20.3/4 × 5/9 =
  21. 21.3/7 × 1/9 =
  22. 22.8/9 × 1/8 =
  23. 23.3/4 × 1/6 =
  24. 24.3/8 × 2/7 =
  25. 25.7/10 ÷ 7/8 =
  26. 26.8/11 × 7/10 =
  27. 27.3/5 ÷ 3/5 =
  28. 28.2/5 × 1/2 =
  29. 29.4/5 ÷ 7/10 =
  30. 30.3/4 ÷ 1/2 =
  31. 31.3/4 ÷ 3/5 =
  32. 32.1/3 ÷ 1/3 =
  33. 33.1/2 × 2/3 =
  34. 34.2/9 × 3/11 =
  35. 35.4/7 × 7/9 =
  36. 36.2/5 ÷ 1/5 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.2/5 × 1/2 =
  39. 39.5/6 ÷ 5/7 =
  40. 40.2/3 ÷ 2/3 =

Answer key

  1. 1/3
  2. 4/5
  3. 11/4
  4. 6/7
  5. 1/4
  6. 1/2
  7. 2/9
  8. 10/27
  9. 2/3
  10. 1/3
  11. 3/10
  12. 3/22
  13. 6
  14. 1/3
  15. 1/10
  16. 4/3
  17. 1/7
  18. 4/3
  19. 4/21
  20. 5/12
  21. 1/21
  22. 1/9
  23. 1/8
  24. 3/28
  25. 4/5
  26. 28/55
  27. 1
  28. 1/5
  29. 8/7
  30. 3/2
  31. 5/4
  32. 1
  33. 1/3
  34. 2/33
  35. 4/9
  36. 2
  37. 1
  38. 1/5
  39. 7/6
  40. 1

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