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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 361 · 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. 1.3/11 × 2/9 =
  2. 2.1/2 × 4/5 =
  3. 3.1/6 ÷ 5/6 =
  4. 4.1/2 × 2/5 =
  5. 5.1/10 ÷ 1/2 =
  6. 6.7/9 ÷ 7/11 =
  7. 7.3/5 × 1/3 =
  8. 8.4/7 × 1/2 =
  9. 9.2/3 ÷ 4/5 =
  10. 10.1/2 ÷ 3/4 =
  11. 11.8/9 ÷ 2/3 =
  12. 12.1/4 × 2/7 =
  13. 13.1/4 × 4/5 =
  14. 14.1/2 × 10/11 =
  15. 15.1/2 ÷ 1/4 =
  16. 16.6/7 × 3/4 =
  17. 17.1/12 ÷ 1/3 =
  18. 18.5/6 × 2/3 =
  19. 19.1/5 ÷ 1/10 =
  20. 20.4/7 × 1/2 =
  21. 21.1/6 ÷ 3/4 =
  22. 22.8/9 × 6/7 =
  23. 23.1/2 × 2/5 =
  24. 24.1/3 ÷ 1/3 =
  25. 25.1/6 ÷ 1/2 =
  26. 26.4/9 × 7/8 =
  27. 27.1/2 ÷ 7/10 =
  28. 28.3/5 × 1/3 =
  29. 29.2/3 ÷ 1/3 =
  30. 30.2/5 × 1/4 =
  31. 31.2/3 × 1/2 =
  32. 32.3/4 ÷ 1/2 =
  33. 33.3/10 × 1/6 =
  34. 34.2/3 ÷ 2/5 =
  35. 35.11/12 ÷ 1/2 =
  36. 36.1/4 × 6/7 =
  37. 37.1/4 ÷ 1/2 =
  38. 38.1/3 × 3/10 =
  39. 39.9/10 × 5/6 =
  40. 40.6/7 × 2/3 =

Answer key

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

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