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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 307 · 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 ÷ 1/4 =
  2. 2.1/6 × 9/10 =
  3. 3.2/3 × 6/7 =
  4. 4.7/12 × 2/3 =
  5. 5.1/10 ÷ 3/10 =
  6. 6.6/11 × 1/2 =
  7. 7.1/3 ÷ 5/12 =
  8. 8.1/2 × 8/9 =
  9. 9.4/5 × 1/2 =
  10. 10.4/9 × 5/6 =
  11. 11.3/4 ÷ 1/6 =
  12. 12.6/7 × 1/4 =
  13. 13.3/5 × 5/7 =
  14. 14.1/2 × 2/3 =
  15. 15.1/10 × 6/11 =
  16. 16.1/3 × 3/10 =
  17. 17.3/4 ÷ 1/2 =
  18. 18.2/9 ÷ 2/3 =
  19. 19.3/4 × 5/6 =
  20. 20.1/6 × 6/11 =
  21. 21.2/3 × 3/5 =
  22. 22.5/12 ÷ 1/2 =
  23. 23.1/4 ÷ 5/12 =
  24. 24.3/7 ÷ 3/11 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.2/3 × 5/6 =
  27. 27.8/9 ÷ 11/12 =
  28. 28.1/10 × 2/5 =
  29. 29.5/12 ÷ 1/2 =
  30. 30.8/9 × 1/8 =
  31. 31.2/7 × 1/2 =
  32. 32.2/11 × 7/10 =
  33. 33.4/7 ÷ 2/3 =
  34. 34.1/8 ÷ 1/2 =
  35. 35.5/6 × 2/5 =
  36. 36.5/12 ÷ 5/6 =
  37. 37.1/2 ÷ 1/4 =
  38. 38.2/5 ÷ 2/9 =
  39. 39.2/9 × 5/6 =
  40. 40.1/2 ÷ 1/4 =

Answer key

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

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