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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 110 · 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. 1.1/6 × 2/3 =
  2. 2.3/4 × 2/3 =
  3. 3.1/12 × 2/3 =
  4. 4.3/5 × 7/12 =
  5. 5.1/8 × 2/7 =
  6. 6.5/6 ÷ 1/2 =
  7. 7.6/11 ÷ 2/3 =
  8. 8.2/5 ÷ 3/5 =
  9. 9.5/6 × 1/5 =
  10. 10.2/7 × 1/2 =
  11. 11.9/10 × 2/3 =
  12. 12.1/4 ÷ 1/6 =
  13. 13.1/4 ÷ 1/2 =
  14. 14.4/5 × 3/4 =
  15. 15.1/4 ÷ 9/10 =
  16. 16.2/5 × 1/2 =
  17. 17.1/6 ÷ 1/4 =
  18. 18.1/10 × 2/3 =
  19. 19.5/6 ÷ 10/11 =
  20. 20.1/4 ÷ 3/8 =
  21. 21.1/4 ÷ 1/2 =
  22. 22.3/4 ÷ 3/4 =
  23. 23.5/6 × 4/7 =
  24. 24.3/4 ÷ 1/2 =
  25. 25.8/11 × 1/2 =
  26. 26.2/3 × 5/12 =
  27. 27.2/3 × 5/8 =
  28. 28.2/11 × 1/2 =
  29. 29.6/11 × 1/8 =
  30. 30.3/10 × 1/3 =
  31. 31.5/8 ÷ 5/6 =
  32. 32.7/8 × 2/3 =
  33. 33.4/7 ÷ 6/7 =
  34. 34.5/6 × 4/7 =
  35. 35.3/4 ÷ 3/4 =
  36. 36.3/8 ÷ 1/2 =
  37. 37.3/7 × 2/3 =
  38. 38.1/2 ÷ 3/4 =
  39. 39.4/7 × 1/2 =
  40. 40.1/6 × 2/3 =

Answer key

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

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