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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 447 · 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. 1.1/6 ÷ 1/3 =
  2. 2.2/3 ÷ 5/9 =
  3. 3.2/3 × 1/2 =
  4. 4.2/3 × 1/4 =
  5. 5.5/6 × 7/10 =
  6. 6.3/4 ÷ 1/4 =
  7. 7.2/3 × 3/10 =
  8. 8.5/12 × 1/5 =
  9. 9.7/8 × 8/9 =
  10. 10.2/3 × 3/4 =
  11. 11.2/3 × 6/11 =
  12. 12.1/6 × 3/4 =
  13. 13.9/11 ÷ 10/11 =
  14. 14.2/3 × 3/4 =
  15. 15.1/5 ÷ 2/5 =
  16. 16.2/3 ÷ 4/7 =
  17. 17.5/7 × 9/10 =
  18. 18.8/11 × 1/6 =
  19. 19.1/2 × 2/7 =
  20. 20.1/3 ÷ 7/9 =
  21. 21.1/10 ÷ 3/4 =
  22. 22.1/2 × 8/9 =
  23. 23.9/10 × 6/11 =
  24. 24.1/10 ÷ 4/5 =
  25. 25.3/11 × 2/3 =
  26. 26.3/5 × 2/3 =
  27. 27.3/4 × 1/3 =
  28. 28.4/5 × 1/6 =
  29. 29.3/4 × 2/3 =
  30. 30.5/8 × 3/5 =
  31. 31.2/5 × 1/6 =
  32. 32.1/6 ÷ 2/3 =
  33. 33.3/5 × 1/3 =
  34. 34.1/2 ÷ 1/2 =
  35. 35.2/3 ÷ 1/12 =
  36. 36.6/7 × 1/2 =
  37. 37.2/3 × 3/4 =
  38. 38.5/12 × 2/3 =
  39. 39.8/9 × 1/2 =
  40. 40.1/4 × 4/9 =

Answer key

  1. 1/2
  2. 6/5
  3. 1/3
  4. 1/6
  5. 7/12
  6. 3
  7. 1/5
  8. 1/12
  9. 7/9
  10. 1/2
  11. 4/11
  12. 1/8
  13. 9/10
  14. 1/2
  15. 1/2
  16. 7/6
  17. 9/14
  18. 4/33
  19. 1/7
  20. 3/7
  21. 2/15
  22. 4/9
  23. 27/55
  24. 1/8
  25. 2/11
  26. 2/5
  27. 1/4
  28. 2/15
  29. 1/2
  30. 3/8
  31. 1/15
  32. 1/4
  33. 1/5
  34. 1
  35. 8
  36. 3/7
  37. 1/2
  38. 5/18
  39. 4/9
  40. 1/9

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