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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 339 · 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. 1.7/9 × 3/5 =
  2. 2.1/3 ÷ 1/9 =
  3. 3.2/3 ÷ 1/3 =
  4. 4.1/2 × 4/11 =
  5. 5.4/9 × 1/2 =
  6. 6.7/8 ÷ 5/6 =
  7. 7.7/8 × 4/5 =
  8. 8.3/4 ÷ 3/7 =
  9. 9.2/9 ÷ 5/12 =
  10. 10.2/7 ÷ 2/3 =
  11. 11.1/5 ÷ 4/5 =
  12. 12.1/2 × 4/5 =
  13. 13.2/5 ÷ 3/5 =
  14. 14.5/12 × 1/5 =
  15. 15.1/2 × 2/3 =
  16. 16.1/4 ÷ 1/2 =
  17. 17.1/2 ÷ 1/2 =
  18. 18.1/3 ÷ 1/6 =
  19. 19.10/11 ÷ 2/3 =
  20. 20.6/7 × 5/6 =
  21. 21.2/5 × 1/2 =
  22. 22.7/10 ÷ 1/6 =
  23. 23.5/6 ÷ 1/2 =
  24. 24.5/6 × 2/3 =
  25. 25.3/4 ÷ 1/2 =
  26. 26.10/11 ÷ 2/3 =
  27. 27.1/4 × 2/5 =
  28. 28.1/2 × 2/5 =
  29. 29.2/5 × 3/8 =
  30. 30.1/2 × 4/5 =
  31. 31.1/4 × 2/3 =
  32. 32.3/5 ÷ 3/4 =
  33. 33.1/2 ÷ 7/8 =
  34. 34.2/3 × 1/2 =
  35. 35.5/6 ÷ 5/8 =
  36. 36.1/4 × 2/3 =
  37. 37.2/7 × 1/4 =
  38. 38.1/2 ÷ 5/6 =
  39. 39.2/3 × 1/2 =
  40. 40.7/10 × 6/7 =

Answer key

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

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