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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 554 · 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. 1.2/5 ÷ 2/3 =
  2. 2.5/6 ÷ 2/3 =
  3. 3.1/2 × 2/9 =
  4. 4.4/9 ÷ 4/5 =
  5. 5.1/10 × 10/11 =
  6. 6.2/5 ÷ 3/5 =
  7. 7.3/4 × 7/12 =
  8. 8.3/8 ÷ 1/8 =
  9. 9.3/10 ÷ 1/2 =
  10. 10.2/3 × 1/2 =
  11. 11.1/2 × 4/7 =
  12. 12.7/9 × 1/7 =
  13. 13.1/9 × 9/11 =
  14. 14.2/9 ÷ 2/3 =
  15. 15.2/3 × 3/4 =
  16. 16.4/5 × 1/2 =
  17. 17.1/12 ÷ 1/4 =
  18. 18.1/6 ÷ 2/9 =
  19. 19.1/3 ÷ 2/3 =
  20. 20.1/2 ÷ 3/4 =
  21. 21.2/3 × 6/7 =
  22. 22.3/4 ÷ 1/2 =
  23. 23.7/9 ÷ 5/6 =
  24. 24.3/4 ÷ 9/11 =
  25. 25.1/4 × 8/11 =
  26. 26.1/6 × 6/11 =
  27. 27.2/7 × 1/2 =
  28. 28.6/7 × 1/4 =
  29. 29.5/8 × 7/10 =
  30. 30.1/3 ÷ 5/6 =
  31. 31.1/3 ÷ 1/3 =
  32. 32.1/2 × 4/11 =
  33. 33.3/4 ÷ 6/7 =
  34. 34.3/5 ÷ 3/4 =
  35. 35.4/7 × 7/10 =
  36. 36.2/5 × 9/10 =
  37. 37.1/2 × 2/5 =
  38. 38.5/6 ÷ 5/12 =
  39. 39.1/2 × 8/11 =
  40. 40.4/7 × 7/10 =

Answer key

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

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