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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 733 · 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. 1.1/4 × 2/3 =
  2. 2.2/3 × 1/2 =
  3. 3.2/3 × 1/2 =
  4. 4.8/9 × 7/10 =
  5. 5.1/3 ÷ 1/3 =
  6. 6.8/9 × 3/4 =
  7. 7.5/8 ÷ 1/2 =
  8. 8.1/2 ÷ 5/8 =
  9. 9.7/10 × 5/7 =
  10. 10.1/3 × 3/4 =
  11. 11.1/8 ÷ 1/4 =
  12. 12.2/3 ÷ 2/3 =
  13. 13.4/5 × 5/9 =
  14. 14.1/12 ÷ 3/4 =
  15. 15.1/3 × 3/4 =
  16. 16.3/10 × 4/7 =
  17. 17.1/10 × 5/6 =
  18. 18.1/3 × 3/11 =
  19. 19.2/3 × 1/2 =
  20. 20.3/4 × 2/7 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.2/5 × 9/10 =
  23. 23.7/12 × 3/5 =
  24. 24.1/6 × 2/3 =
  25. 25.4/7 × 1/2 =
  26. 26.1/4 × 2/9 =
  27. 27.1/3 ÷ 2/3 =
  28. 28.5/6 × 3/4 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.1/2 ÷ 1/2 =
  31. 31.7/12 × 5/7 =
  32. 32.3/5 ÷ 6/7 =
  33. 33.2/3 × 1/2 =
  34. 34.1/6 × 3/5 =
  35. 35.1/4 × 2/3 =
  36. 36.1/3 ÷ 2/3 =
  37. 37.5/6 × 2/3 =
  38. 38.5/8 ÷ 3/4 =
  39. 39.2/5 × 5/6 =
  40. 40.1/3 ÷ 5/6 =

Answer key

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

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