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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 125 · 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. 1.2/5 × 1/2 =
  2. 2.1/5 × 5/9 =
  3. 3.1/2 ÷ 1/2 =
  4. 4.2/11 × 1/6 =
  5. 5.9/10 × 2/5 =
  6. 6.2/5 × 3/8 =
  7. 7.1/2 × 4/5 =
  8. 8.3/5 × 7/9 =
  9. 9.1/6 ÷ 1/2 =
  10. 10.1/4 × 8/9 =
  11. 11.8/9 × 3/4 =
  12. 12.4/7 × 1/4 =
  13. 13.1/4 × 2/3 =
  14. 14.2/9 × 1/2 =
  15. 15.6/7 × 5/8 =
  16. 16.1/3 ÷ 1/12 =
  17. 17.9/10 × 2/11 =
  18. 18.2/3 ÷ 1/9 =
  19. 19.5/12 × 4/5 =
  20. 20.6/11 ÷ 5/11 =
  21. 21.3/4 ÷ 1/2 =
  22. 22.5/6 ÷ 10/11 =
  23. 23.4/9 × 1/2 =
  24. 24.1/12 ÷ 1/4 =
  25. 25.1/2 ÷ 1/4 =
  26. 26.3/5 ÷ 1/5 =
  27. 27.4/11 × 3/8 =
  28. 28.2/11 × 1/2 =
  29. 29.2/3 × 1/2 =
  30. 30.7/10 ÷ 3/5 =
  31. 31.2/3 × 3/7 =
  32. 32.2/3 × 1/4 =
  33. 33.1/2 ÷ 3/4 =
  34. 34.1/2 ÷ 3/10 =
  35. 35.4/5 ÷ 1/5 =
  36. 36.7/11 × 2/7 =
  37. 37.2/5 × 3/4 =
  38. 38.1/12 ÷ 5/6 =
  39. 39.3/5 × 1/3 =
  40. 40.2/7 ÷ 4/7 =

Answer key

  1. 1/5
  2. 1/9
  3. 1
  4. 1/33
  5. 9/25
  6. 3/20
  7. 2/5
  8. 7/15
  9. 1/3
  10. 2/9
  11. 2/3
  12. 1/7
  13. 1/6
  14. 1/9
  15. 15/28
  16. 4
  17. 9/55
  18. 6
  19. 1/3
  20. 6/5
  21. 3/2
  22. 11/12
  23. 2/9
  24. 1/3
  25. 2
  26. 3
  27. 3/22
  28. 1/11
  29. 1/3
  30. 7/6
  31. 2/7
  32. 1/6
  33. 2/3
  34. 5/3
  35. 4
  36. 2/11
  37. 3/10
  38. 1/10
  39. 1/5
  40. 1/2

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