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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 79 · 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. 1.1/10 × 2/3 =
  2. 2.1/4 ÷ 3/8 =
  3. 3.2/3 × 3/4 =
  4. 4.9/10 × 2/3 =
  5. 5.1/2 ÷ 1/8 =
  6. 6.6/11 × 1/4 =
  7. 7.8/9 × 11/12 =
  8. 8.1/6 ÷ 1/2 =
  9. 9.2/5 × 3/8 =
  10. 10.3/10 × 2/3 =
  11. 11.1/4 × 2/3 =
  12. 12.1/10 × 2/5 =
  13. 13.5/6 ÷ 1/10 =
  14. 14.4/7 ÷ 2/9 =
  15. 15.1/2 ÷ 11/12 =
  16. 16.3/4 × 1/9 =
  17. 17.3/4 ÷ 1/2 =
  18. 18.3/5 × 2/3 =
  19. 19.2/7 × 1/2 =
  20. 20.1/3 × 3/5 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.2/3 × 7/10 =
  23. 23.10/11 × 3/4 =
  24. 24.3/4 × 5/12 =
  25. 25.3/8 ÷ 6/11 =
  26. 26.1/2 × 8/11 =
  27. 27.4/9 ÷ 1/3 =
  28. 28.3/4 ÷ 3/4 =
  29. 29.1/2 × 8/9 =
  30. 30.2/7 × 5/12 =
  31. 31.5/6 ÷ 5/6 =
  32. 32.8/9 × 3/11 =
  33. 33.2/9 ÷ 2/3 =
  34. 34.5/9 ÷ 5/6 =
  35. 35.3/4 × 7/9 =
  36. 36.2/9 ÷ 2/9 =
  37. 37.2/3 × 5/6 =
  38. 38.3/5 × 1/12 =
  39. 39.1/2 ÷ 3/10 =
  40. 40.1/12 × 2/11 =

Answer key

  1. 1/15
  2. 2/3
  3. 1/2
  4. 3/5
  5. 4
  6. 3/22
  7. 22/27
  8. 1/3
  9. 3/20
  10. 1/5
  11. 1/6
  12. 1/25
  13. 25/3
  14. 18/7
  15. 6/11
  16. 1/12
  17. 3/2
  18. 2/5
  19. 1/7
  20. 1/5
  21. 1
  22. 7/15
  23. 15/22
  24. 5/16
  25. 11/16
  26. 4/11
  27. 4/3
  28. 1
  29. 4/9
  30. 5/42
  31. 1
  32. 8/33
  33. 1/3
  34. 2/3
  35. 7/12
  36. 1
  37. 5/9
  38. 1/20
  39. 5/3
  40. 1/66

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