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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 68 · 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. 2.2/7 × 1/2 =
  3. 3.1/12 ÷ 2/3 =
  4. 4.5/6 ÷ 1/6 =
  5. 5.2/7 ÷ 2/3 =
  6. 6.3/7 ÷ 6/11 =
  7. 7.1/4 × 4/5 =
  8. 8.2/7 × 1/2 =
  9. 9.3/5 × 1/3 =
  10. 10.1/2 ÷ 1/2 =
  11. 11.1/12 × 2/5 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.1/8 × 2/5 =
  14. 14.1/2 ÷ 1/12 =
  15. 15.1/8 ÷ 1/4 =
  16. 16.2/5 × 1/4 =
  17. 17.3/4 ÷ 1/6 =
  18. 18.1/4 × 4/9 =
  19. 19.1/4 × 2/3 =
  20. 20.2/3 ÷ 2/3 =
  21. 21.1/2 ÷ 7/10 =
  22. 22.1/2 ÷ 1/2 =
  23. 23.1/2 × 6/11 =
  24. 24.4/5 ÷ 4/5 =
  25. 25.2/9 × 1/4 =
  26. 26.1/6 ÷ 5/6 =
  27. 27.3/4 × 2/11 =
  28. 28.8/9 × 1/2 =
  29. 29.3/4 ÷ 1/2 =
  30. 30.1/4 ÷ 1/2 =
  31. 31.7/8 × 2/3 =
  32. 32.1/2 ÷ 1/2 =
  33. 33.1/12 ÷ 3/8 =
  34. 34.1/2 ÷ 3/4 =
  35. 35.2/3 ÷ 7/9 =
  36. 36.3/4 × 4/5 =
  37. 37.2/3 × 7/12 =
  38. 38.2/3 × 1/4 =
  39. 39.5/6 × 3/4 =
  40. 40.5/9 ÷ 1/3 =

Answer key

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

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