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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 234 · 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. 1.3/4 × 4/5 =
  2. 2.2/3 × 1/8 =
  3. 3.10/11 × 1/2 =
  4. 4.1/6 × 2/3 =
  5. 5.1/2 ÷ 5/12 =
  6. 6.2/3 × 3/5 =
  7. 7.5/8 × 8/9 =
  8. 8.1/4 × 2/3 =
  9. 9.7/12 ÷ 1/4 =
  10. 10.3/5 × 2/3 =
  11. 11.4/7 × 1/2 =
  12. 12.6/7 × 1/3 =
  13. 13.1/9 ÷ 8/9 =
  14. 14.1/10 ÷ 1/4 =
  15. 15.5/8 × 2/3 =
  16. 16.6/7 × 1/2 =
  17. 17.8/9 × 3/4 =
  18. 18.2/3 × 5/6 =
  19. 19.3/10 ÷ 1/5 =
  20. 20.6/7 × 1/2 =
  21. 21.2/3 × 1/8 =
  22. 22.3/4 ÷ 1/2 =
  23. 23.1/3 ÷ 2/3 =
  24. 24.2/3 × 1/2 =
  25. 25.8/9 ÷ 2/3 =
  26. 26.5/6 ÷ 1/3 =
  27. 27.9/10 × 4/7 =
  28. 28.2/5 × 1/2 =
  29. 29.1/5 ÷ 3/5 =
  30. 30.1/8 ÷ 3/4 =
  31. 31.1/2 × 2/3 =
  32. 32.4/5 × 3/4 =
  33. 33.7/12 ÷ 1/2 =
  34. 34.1/2 × 8/9 =
  35. 35.1/10 × 2/7 =
  36. 36.4/9 × 1/2 =
  37. 37.1/3 ÷ 2/3 =
  38. 38.3/10 × 8/9 =
  39. 39.3/7 × 1/3 =
  40. 40.7/12 × 3/10 =

Answer key

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

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