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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 715 · 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. 1.2/3 × 1/2 =
  2. 2.2/3 × 1/2 =
  3. 3.1/12 × 2/9 =
  4. 4.2/3 × 1/2 =
  5. 5.2/3 × 1/2 =
  6. 6.5/12 × 2/3 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.9/11 ÷ 4/11 =
  9. 9.5/12 ÷ 1/4 =
  10. 10.1/2 ÷ 7/10 =
  11. 11.1/2 ÷ 1/2 =
  12. 12.7/12 ÷ 1/2 =
  13. 13.6/7 ÷ 1/7 =
  14. 14.2/7 ÷ 3/7 =
  15. 15.2/5 × 1/4 =
  16. 16.7/8 ÷ 1/6 =
  17. 17.7/9 ÷ 1/3 =
  18. 18.1/2 × 2/11 =
  19. 19.2/3 ÷ 2/3 =
  20. 20.2/3 ÷ 2/3 =
  21. 21.2/3 ÷ 4/11 =
  22. 22.1/3 × 9/11 =
  23. 23.3/10 ÷ 5/12 =
  24. 24.2/7 ÷ 4/5 =
  25. 25.2/7 ÷ 2/3 =
  26. 26.1/6 × 2/9 =
  27. 27.1/2 ÷ 1/12 =
  28. 28.3/4 × 2/3 =
  29. 29.4/5 × 1/2 =
  30. 30.4/5 × 1/2 =
  31. 31.1/3 × 3/4 =
  32. 32.3/4 × 2/9 =
  33. 33.2/11 ÷ 4/9 =
  34. 34.1/3 ÷ 7/9 =
  35. 35.4/9 × 3/7 =
  36. 36.4/5 ÷ 1/5 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/2 ÷ 7/8 =
  39. 39.1/3 × 3/4 =
  40. 40.1/10 ÷ 3/5 =

Answer key

  1. 1/3
  2. 1/3
  3. 1/54
  4. 1/3
  5. 1/3
  6. 5/18
  7. 1
  8. 9/4
  9. 5/3
  10. 5/7
  11. 1
  12. 7/6
  13. 6
  14. 2/3
  15. 1/10
  16. 21/4
  17. 7/3
  18. 1/11
  19. 1
  20. 1
  21. 11/6
  22. 3/11
  23. 18/25
  24. 5/14
  25. 3/7
  26. 1/27
  27. 6
  28. 1/2
  29. 2/5
  30. 2/5
  31. 1/4
  32. 1/6
  33. 9/22
  34. 3/7
  35. 4/21
  36. 4
  37. 1
  38. 4/7
  39. 1/4
  40. 1/6

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