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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 145 · 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 ÷ 1/10 =
  2. 2.9/10 ÷ 1/5 =
  3. 3.3/4 × 1/3 =
  4. 4.1/8 × 2/3 =
  5. 5.1/10 ÷ 2/5 =
  6. 6.1/2 × 4/5 =
  7. 7.1/4 ÷ 1/2 =
  8. 8.2/3 × 1/4 =
  9. 9.2/5 ÷ 4/11 =
  10. 10.3/5 × 1/3 =
  11. 11.5/6 × 2/3 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.6/11 ÷ 3/11 =
  14. 14.4/7 ÷ 6/11 =
  15. 15.2/3 × 7/10 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.5/9 × 4/5 =
  18. 18.1/5 ÷ 2/5 =
  19. 19.2/5 ÷ 1/10 =
  20. 20.1/4 ÷ 1/6 =
  21. 21.8/11 ÷ 2/3 =
  22. 22.5/8 × 8/11 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.1/6 ÷ 1/2 =
  25. 25.3/4 ÷ 1/2 =
  26. 26.1/2 × 2/3 =
  27. 27.10/11 × 2/5 =
  28. 28.1/10 × 2/3 =
  29. 29.11/12 × 4/9 =
  30. 30.3/4 ÷ 3/4 =
  31. 31.4/7 ÷ 2/5 =
  32. 32.7/8 ÷ 1/2 =
  33. 33.1/3 × 3/4 =
  34. 34.9/10 × 1/3 =
  35. 35.4/5 ÷ 2/3 =
  36. 36.2/11 ÷ 7/11 =
  37. 37.1/2 × 2/5 =
  38. 38.2/3 × 1/2 =
  39. 39.1/4 × 8/11 =
  40. 40.8/9 ÷ 2/5 =

Answer key

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

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