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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 644 · 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. 1.2/11 × 1/2 =
  2. 2.1/2 ÷ 3/4 =
  3. 3.1/5 × 5/12 =
  4. 4.8/9 ÷ 1/3 =
  5. 5.1/4 × 2/7 =
  6. 6.2/9 ÷ 1/3 =
  7. 7.2/7 ÷ 2/3 =
  8. 8.2/3 ÷ 2/11 =
  9. 9.5/6 ÷ 1/8 =
  10. 10.1/5 ÷ 1/10 =
  11. 11.3/5 ÷ 3/11 =
  12. 12.2/3 × 5/12 =
  13. 13.2/3 × 5/6 =
  14. 14.2/3 × 1/4 =
  15. 15.1/4 × 2/5 =
  16. 16.5/12 × 6/7 =
  17. 17.1/2 ÷ 3/10 =
  18. 18.5/6 ÷ 1/9 =
  19. 19.1/8 ÷ 1/4 =
  20. 20.1/2 ÷ 1/6 =
  21. 21.3/11 × 1/6 =
  22. 22.1/4 × 2/5 =
  23. 23.1/2 × 2/3 =
  24. 24.3/8 × 1/3 =
  25. 25.2/5 × 1/6 =
  26. 26.4/5 × 5/6 =
  27. 27.2/3 ÷ 1/3 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.1/2 ÷ 7/12 =
  30. 30.1/2 ÷ 1/2 =
  31. 31.2/7 × 1/2 =
  32. 32.1/10 ÷ 7/10 =
  33. 33.1/2 ÷ 5/6 =
  34. 34.5/6 ÷ 1/3 =
  35. 35.8/9 × 1/12 =
  36. 36.3/4 × 2/5 =
  37. 37.5/6 × 3/5 =
  38. 38.1/3 × 6/11 =
  39. 39.2/3 × 1/6 =
  40. 40.1/6 × 4/5 =

Answer key

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

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