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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 103 · 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. 1.1/2 × 2/3 =
  2. 2.1/5 × 5/6 =
  3. 3.2/9 × 1/2 =
  4. 4.3/5 × 1/12 =
  5. 5.3/4 × 2/3 =
  6. 6.1/2 × 4/5 =
  7. 7.5/12 × 2/3 =
  8. 8.1/2 ÷ 1/4 =
  9. 9.1/3 ÷ 1/6 =
  10. 10.1/4 × 4/7 =
  11. 11.2/3 ÷ 4/5 =
  12. 12.2/5 × 1/2 =
  13. 13.4/5 × 1/12 =
  14. 14.3/7 × 8/9 =
  15. 15.2/3 ÷ 8/9 =
  16. 16.6/7 × 3/4 =
  17. 17.1/2 × 2/3 =
  18. 18.5/9 ÷ 5/6 =
  19. 19.6/7 × 1/2 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.1/2 ÷ 3/4 =
  22. 22.2/9 ÷ 1/6 =
  23. 23.1/2 × 4/11 =
  24. 24.1/2 ÷ 1/2 =
  25. 25.5/8 × 8/11 =
  26. 26.1/2 × 2/3 =
  27. 27.1/2 × 2/3 =
  28. 28.1/10 × 5/7 =
  29. 29.3/4 ÷ 3/11 =
  30. 30.1/4 × 2/3 =
  31. 31.1/8 ÷ 1/2 =
  32. 32.1/8 ÷ 1/2 =
  33. 33.3/5 ÷ 3/4 =
  34. 34.1/4 ÷ 1/2 =
  35. 35.4/7 × 1/6 =
  36. 36.2/3 × 1/2 =
  37. 37.2/3 ÷ 1/6 =
  38. 38.3/10 ÷ 1/2 =
  39. 39.1/2 ÷ 1/2 =
  40. 40.1/6 ÷ 1/2 =

Answer key

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

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