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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 603 · 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. 1.3/5 ÷ 3/10 =
  2. 2.1/2 × 2/5 =
  3. 3.1/2 × 2/5 =
  4. 4.1/4 ÷ 3/4 =
  5. 5.2/5 × 1/2 =
  6. 6.1/7 ÷ 2/7 =
  7. 7.3/11 × 1/3 =
  8. 8.2/3 × 1/4 =
  9. 9.1/4 ÷ 1/4 =
  10. 10.5/9 × 2/5 =
  11. 11.2/3 ÷ 1/3 =
  12. 12.4/5 × 1/4 =
  13. 13.1/2 × 2/3 =
  14. 14.4/7 × 5/6 =
  15. 15.1/4 ÷ 7/10 =
  16. 16.2/3 × 1/2 =
  17. 17.1/2 ÷ 1/2 =
  18. 18.1/2 ÷ 1/2 =
  19. 19.2/3 ÷ 4/5 =
  20. 20.8/9 ÷ 2/5 =
  21. 21.1/10 ÷ 3/5 =
  22. 22.1/3 ÷ 8/9 =
  23. 23.2/5 × 1/2 =
  24. 24.1/2 ÷ 1/4 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.5/6 ÷ 10/11 =
  27. 27.5/9 ÷ 1/3 =
  28. 28.1/2 × 2/7 =
  29. 29.4/5 × 5/7 =
  30. 30.4/9 × 1/2 =
  31. 31.1/2 × 2/11 =
  32. 32.1/3 ÷ 5/6 =
  33. 33.1/2 ÷ 3/4 =
  34. 34.1/6 ÷ 5/8 =
  35. 35.3/4 ÷ 1/2 =
  36. 36.2/9 × 5/12 =
  37. 37.3/4 × 4/5 =
  38. 38.5/9 × 1/5 =
  39. 39.4/9 × 3/8 =
  40. 40.5/6 × 2/3 =

Answer key

  1. 2
  2. 1/5
  3. 1/5
  4. 1/3
  5. 1/5
  6. 1/2
  7. 1/11
  8. 1/6
  9. 1
  10. 2/9
  11. 2
  12. 1/5
  13. 1/3
  14. 10/21
  15. 5/14
  16. 1/3
  17. 1
  18. 1
  19. 5/6
  20. 20/9
  21. 1/6
  22. 3/8
  23. 1/5
  24. 2
  25. 1
  26. 11/12
  27. 5/3
  28. 1/7
  29. 4/7
  30. 2/9
  31. 1/11
  32. 2/5
  33. 2/3
  34. 4/15
  35. 3/2
  36. 5/54
  37. 3/5
  38. 1/9
  39. 1/6
  40. 5/9

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