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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 559 · 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. 1.1/9 ÷ 1/3 =
  2. 2.2/3 ÷ 2/5 =
  3. 3.8/9 × 3/5 =
  4. 4.2/5 × 1/4 =
  5. 5.1/10 × 2/7 =
  6. 6.3/7 ÷ 3/4 =
  7. 7.1/4 × 4/5 =
  8. 8.2/3 × 1/2 =
  9. 9.1/4 × 2/3 =
  10. 10.11/12 ÷ 1/4 =
  11. 11.2/3 × 3/4 =
  12. 12.1/9 × 3/4 =
  13. 13.1/2 × 8/9 =
  14. 14.1/4 × 2/3 =
  15. 15.1/3 ÷ 1/6 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.1/4 × 2/3 =
  18. 18.1/8 × 2/3 =
  19. 19.7/8 × 3/7 =
  20. 20.2/9 × 5/6 =
  21. 21.1/10 × 10/11 =
  22. 22.1/4 × 2/5 =
  23. 23.1/4 × 2/3 =
  24. 24.1/9 × 6/7 =
  25. 25.3/7 × 1/9 =
  26. 26.1/2 × 6/7 =
  27. 27.3/4 × 4/5 =
  28. 28.1/5 ÷ 1/5 =
  29. 29.1/3 ÷ 1/6 =
  30. 30.1/2 ÷ 1/12 =
  31. 31.1/4 × 2/3 =
  32. 32.8/11 × 1/2 =
  33. 33.1/5 ÷ 1/5 =
  34. 34.1/2 × 2/9 =
  35. 35.1/2 × 6/7 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.2/5 × 3/8 =
  38. 38.2/5 ÷ 2/3 =
  39. 39.2/3 × 1/2 =
  40. 40.5/6 × 3/5 =

Answer key

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

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