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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 458 · 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. 1.2/3 × 1/12 =
  2. 2.5/9 ÷ 2/3 =
  3. 3.6/7 ÷ 3/5 =
  4. 4.1/4 ÷ 1/2 =
  5. 5.1/10 ÷ 3/4 =
  6. 6.1/3 × 3/7 =
  7. 7.7/10 ÷ 1/4 =
  8. 8.7/9 ÷ 7/10 =
  9. 9.2/3 × 1/2 =
  10. 10.1/2 ÷ 1/4 =
  11. 11.2/5 ÷ 2/7 =
  12. 12.5/12 ÷ 9/10 =
  13. 13.1/7 ÷ 5/7 =
  14. 14.1/12 ÷ 1/4 =
  15. 15.1/7 × 7/12 =
  16. 16.4/9 ÷ 2/3 =
  17. 17.2/3 × 1/2 =
  18. 18.5/11 × 3/5 =
  19. 19.3/10 × 4/5 =
  20. 20.3/10 × 5/9 =
  21. 21.9/10 × 2/3 =
  22. 22.4/9 ÷ 1/12 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.1/2 × 4/5 =
  25. 25.4/7 ÷ 2/3 =
  26. 26.2/3 × 1/2 =
  27. 27.1/3 ÷ 1/3 =
  28. 28.1/5 ÷ 1/5 =
  29. 29.5/6 × 8/11 =
  30. 30.2/11 × 7/8 =
  31. 31.5/6 ÷ 1/4 =
  32. 32.2/3 × 1/2 =
  33. 33.1/2 ÷ 1/2 =
  34. 34.4/5 × 1/2 =
  35. 35.1/10 × 4/5 =
  36. 36.4/11 ÷ 2/9 =
  37. 37.7/9 ÷ 1/3 =
  38. 38.3/7 ÷ 3/5 =
  39. 39.3/7 × 1/6 =
  40. 40.2/3 × 1/2 =

Answer key

  1. 1/18
  2. 5/6
  3. 10/7
  4. 1/2
  5. 2/15
  6. 1/7
  7. 14/5
  8. 10/9
  9. 1/3
  10. 2
  11. 7/5
  12. 25/54
  13. 1/5
  14. 1/3
  15. 1/12
  16. 2/3
  17. 1/3
  18. 3/11
  19. 6/25
  20. 1/6
  21. 3/5
  22. 16/3
  23. 1
  24. 2/5
  25. 6/7
  26. 1/3
  27. 1
  28. 1
  29. 20/33
  30. 7/44
  31. 10/3
  32. 1/3
  33. 1
  34. 2/5
  35. 2/25
  36. 18/11
  37. 7/3
  38. 5/7
  39. 1/14
  40. 1/3

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