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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 365 · 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 ÷ 1/4 =
  2. 2.5/6 ÷ 2/3 =
  3. 3.3/10 × 2/7 =
  4. 4.2/3 × 1/2 =
  5. 5.8/11 × 3/4 =
  6. 6.2/3 ÷ 1/9 =
  7. 7.1/3 ÷ 2/3 =
  8. 8.1/2 × 2/3 =
  9. 9.1/2 ÷ 7/10 =
  10. 10.1/4 × 2/3 =
  11. 11.1/4 ÷ 1/6 =
  12. 12.1/2 × 4/5 =
  13. 13.4/11 × 1/2 =
  14. 14.3/5 × 2/3 =
  15. 15.5/8 × 2/9 =
  16. 16.5/12 ÷ 3/4 =
  17. 17.2/3 ÷ 1/6 =
  18. 18.2/7 ÷ 2/5 =
  19. 19.3/4 ÷ 3/4 =
  20. 20.1/2 ÷ 5/12 =
  21. 21.1/4 × 2/3 =
  22. 22.1/3 ÷ 1/12 =
  23. 23.2/9 ÷ 1/3 =
  24. 24.2/5 × 3/4 =
  25. 25.3/5 ÷ 3/5 =
  26. 26.3/5 ÷ 3/4 =
  27. 27.2/3 × 1/2 =
  28. 28.5/6 × 3/4 =
  29. 29.8/9 × 3/11 =
  30. 30.1/2 ÷ 1/10 =
  31. 31.4/5 × 1/2 =
  32. 32.3/4 ÷ 1/4 =
  33. 33.2/3 ÷ 11/12 =
  34. 34.1/3 ÷ 8/9 =
  35. 35.1/2 × 2/3 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.2/5 × 1/2 =
  38. 38.4/5 × 1/2 =
  39. 39.2/3 ÷ 10/11 =
  40. 40.1/2 × 2/5 =

Answer key

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

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