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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 453 · 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. 1.7/10 ÷ 3/8 =
  2. 2.6/11 × 1/2 =
  3. 3.11/12 ÷ 4/9 =
  4. 4.1/2 × 2/3 =
  5. 5.2/3 × 3/10 =
  6. 6.4/9 ÷ 1/9 =
  7. 7.4/11 ÷ 2/3 =
  8. 8.6/11 × 1/2 =
  9. 9.1/6 × 2/3 =
  10. 10.3/4 × 1/3 =
  11. 11.1/2 × 2/7 =
  12. 12.3/5 × 1/3 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.1/2 × 2/3 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.3/4 ÷ 3/11 =
  17. 17.5/8 ÷ 3/8 =
  18. 18.5/8 ÷ 1/12 =
  19. 19.5/7 × 7/9 =
  20. 20.5/6 ÷ 7/9 =
  21. 21.2/5 × 1/2 =
  22. 22.1/2 × 4/9 =
  23. 23.2/9 × 6/7 =
  24. 24.9/10 ÷ 7/10 =
  25. 25.1/2 × 6/7 =
  26. 26.1/10 ÷ 4/5 =
  27. 27.5/8 × 7/10 =
  28. 28.3/4 ÷ 6/11 =
  29. 29.1/4 ÷ 1/2 =
  30. 30.1/2 × 4/5 =
  31. 31.6/7 ÷ 3/11 =
  32. 32.4/11 ÷ 2/3 =
  33. 33.2/3 ÷ 2/3 =
  34. 34.2/3 ÷ 6/11 =
  35. 35.11/12 ÷ 1/3 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.5/6 × 2/5 =
  38. 38.2/3 × 3/8 =
  39. 39.1/8 × 2/3 =
  40. 40.1/3 ÷ 4/9 =

Answer key

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

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