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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 45 · 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. 1.5/9 ÷ 1/6 =
  2. 2.1/10 × 6/11 =
  3. 3.1/9 ÷ 5/9 =
  4. 4.1/2 × 8/11 =
  5. 5.8/11 ÷ 1/11 =
  6. 6.1/2 × 2/3 =
  7. 7.1/12 × 4/5 =
  8. 8.1/2 ÷ 7/12 =
  9. 9.1/4 ÷ 1/4 =
  10. 10.9/11 × 2/9 =
  11. 11.3/8 ÷ 1/2 =
  12. 12.1/3 ÷ 1/12 =
  13. 13.2/7 × 7/10 =
  14. 14.2/9 × 1/2 =
  15. 15.4/9 × 3/11 =
  16. 16.1/12 ÷ 1/4 =
  17. 17.1/2 ÷ 3/4 =
  18. 18.1/2 × 4/7 =
  19. 19.1/4 × 4/5 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.4/5 × 1/2 =
  22. 22.3/4 ÷ 1/2 =
  23. 23.2/3 × 1/4 =
  24. 24.3/10 × 2/3 =
  25. 25.3/4 ÷ 5/6 =
  26. 26.1/6 × 2/3 =
  27. 27.1/4 ÷ 1/2 =
  28. 28.4/5 ÷ 4/5 =
  29. 29.2/7 × 5/8 =
  30. 30.1/4 ÷ 1/2 =
  31. 31.1/4 × 6/11 =
  32. 32.2/5 × 9/10 =
  33. 33.2/5 × 3/8 =
  34. 34.1/5 ÷ 3/5 =
  35. 35.7/10 ÷ 1/2 =
  36. 36.3/5 × 2/3 =
  37. 37.1/3 × 3/4 =
  38. 38.2/3 ÷ 4/11 =
  39. 39.3/5 × 1/3 =
  40. 40.2/3 × 3/4 =

Answer key

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

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