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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 212 · 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. 1.4/5 × 1/2 =
  2. 2.7/12 × 3/7 =
  3. 3.4/5 ÷ 2/3 =
  4. 4.2/3 × 1/2 =
  5. 5.1/2 ÷ 1/4 =
  6. 6.1/6 × 2/7 =
  7. 7.3/10 × 2/9 =
  8. 8.10/11 × 1/2 =
  9. 9.8/9 × 1/4 =
  10. 10.1/3 × 6/11 =
  11. 11.1/2 ÷ 1/2 =
  12. 12.2/3 × 1/2 =
  13. 13.3/11 × 1/3 =
  14. 14.9/10 ÷ 1/2 =
  15. 15.4/7 × 1/4 =
  16. 16.2/3 ÷ 2/3 =
  17. 17.2/3 × 1/2 =
  18. 18.3/5 ÷ 3/8 =
  19. 19.5/6 ÷ 1/2 =
  20. 20.1/2 × 2/3 =
  21. 21.1/6 ÷ 8/9 =
  22. 22.1/9 ÷ 1/3 =
  23. 23.10/11 ÷ 9/11 =
  24. 24.1/2 ÷ 7/12 =
  25. 25.2/11 × 1/6 =
  26. 26.4/5 × 1/2 =
  27. 27.1/2 × 4/5 =
  28. 28.5/6 × 2/7 =
  29. 29.4/5 ÷ 9/10 =
  30. 30.3/11 ÷ 3/7 =
  31. 31.1/2 ÷ 1/2 =
  32. 32.4/7 × 1/2 =
  33. 33.1/12 ÷ 1/2 =
  34. 34.3/7 × 5/9 =
  35. 35.5/12 ÷ 3/8 =
  36. 36.2/3 ÷ 2/3 =
  37. 37.4/9 × 1/4 =
  38. 38.6/7 × 2/3 =
  39. 39.5/12 ÷ 2/3 =
  40. 40.2/3 ÷ 2/3 =

Answer key

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

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