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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 513 · 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 ÷ 2/5 =
  2. 2.2/3 ÷ 1/3 =
  3. 3.1/2 × 2/3 =
  4. 4.8/9 × 1/10 =
  5. 5.1/2 × 4/9 =
  6. 6.7/8 ÷ 1/2 =
  7. 7.3/5 × 7/12 =
  8. 8.1/2 ÷ 3/4 =
  9. 9.6/11 × 1/2 =
  10. 10.1/2 × 6/7 =
  11. 11.1/2 ÷ 1/2 =
  12. 12.1/2 × 4/7 =
  13. 13.6/7 ÷ 1/7 =
  14. 14.2/11 × 1/2 =
  15. 15.4/5 ÷ 3/10 =
  16. 16.3/10 ÷ 1/2 =
  17. 17.1/4 ÷ 9/10 =
  18. 18.3/5 × 1/3 =
  19. 19.1/12 × 2/3 =
  20. 20.1/4 ÷ 1/6 =
  21. 21.1/2 × 2/5 =
  22. 22.6/11 × 1/4 =
  23. 23.1/2 × 2/3 =
  24. 24.1/2 × 2/3 =
  25. 25.2/3 ÷ 2/5 =
  26. 26.4/5 ÷ 2/3 =
  27. 27.7/12 × 2/3 =
  28. 28.1/2 × 2/3 =
  29. 29.2/5 × 1/2 =
  30. 30.1/4 × 2/3 =
  31. 31.9/11 × 1/3 =
  32. 32.2/3 × 1/4 =
  33. 33.1/4 ÷ 1/4 =
  34. 34.1/2 ÷ 3/4 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.1/2 ÷ 3/4 =
  37. 37.5/9 × 4/5 =
  38. 38.11/12 × 2/3 =
  39. 39.2/3 × 5/6 =
  40. 40.2/3 × 1/2 =

Answer key

  1. 5/3
  2. 2
  3. 1/3
  4. 4/45
  5. 2/9
  6. 7/4
  7. 7/20
  8. 2/3
  9. 3/11
  10. 3/7
  11. 1
  12. 2/7
  13. 6
  14. 1/11
  15. 8/3
  16. 3/5
  17. 5/18
  18. 1/5
  19. 1/18
  20. 3/2
  21. 1/5
  22. 3/22
  23. 1/3
  24. 1/3
  25. 5/3
  26. 6/5
  27. 7/18
  28. 1/3
  29. 1/5
  30. 1/6
  31. 3/11
  32. 1/6
  33. 1
  34. 2/3
  35. 1
  36. 2/3
  37. 4/9
  38. 11/18
  39. 5/9
  40. 1/3

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