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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 451 · 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 × 2/11 =
  2. 2.1/8 × 2/9 =
  3. 3.2/3 ÷ 2/3 =
  4. 4.1/8 ÷ 5/8 =
  5. 5.2/9 ÷ 2/3 =
  6. 6.7/12 ÷ 1/3 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.1/3 × 3/5 =
  9. 9.2/3 × 3/5 =
  10. 10.7/9 × 3/10 =
  11. 11.1/12 × 2/5 =
  12. 12.2/9 × 1/6 =
  13. 13.3/4 × 4/5 =
  14. 14.1/2 × 2/3 =
  15. 15.4/5 ÷ 2/3 =
  16. 16.2/3 ÷ 2/3 =
  17. 17.4/5 × 3/8 =
  18. 18.7/9 ÷ 2/3 =
  19. 19.2/5 × 5/9 =
  20. 20.3/4 ÷ 5/6 =
  21. 21.1/2 ÷ 5/8 =
  22. 22.1/2 × 4/5 =
  23. 23.1/2 ÷ 7/10 =
  24. 24.2/7 ÷ 5/7 =
  25. 25.4/5 × 1/8 =
  26. 26.2/3 × 1/2 =
  27. 27.2/5 ÷ 4/5 =
  28. 28.1/2 × 2/5 =
  29. 29.1/8 × 2/3 =
  30. 30.3/11 ÷ 3/5 =
  31. 31.1/3 ÷ 2/3 =
  32. 32.3/4 × 1/3 =
  33. 33.1/2 × 4/5 =
  34. 34.5/6 ÷ 2/3 =
  35. 35.5/6 × 1/10 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.2/3 ÷ 1/3 =
  38. 38.2/3 ÷ 1/6 =
  39. 39.2/3 × 7/10 =
  40. 40.1/5 ÷ 4/5 =

Answer key

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

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