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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 496 · 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. 1.2/3 × 3/5 =
  2. 2.3/5 × 1/6 =
  3. 3.1/4 × 2/3 =
  4. 4.1/2 × 10/11 =
  5. 5.4/5 ÷ 3/5 =
  6. 6.5/12 ÷ 5/6 =
  7. 7.3/10 ÷ 3/4 =
  8. 8.1/4 × 4/5 =
  9. 9.7/12 × 9/11 =
  10. 10.5/12 × 6/7 =
  11. 11.1/3 ÷ 2/3 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.2/3 × 1/4 =
  14. 14.2/3 ÷ 1/9 =
  15. 15.4/5 × 3/4 =
  16. 16.2/5 ÷ 2/3 =
  17. 17.1/3 × 3/5 =
  18. 18.3/4 × 2/3 =
  19. 19.1/4 ÷ 1/2 =
  20. 20.1/3 ÷ 5/6 =
  21. 21.5/12 × 2/7 =
  22. 22.9/11 × 1/3 =
  23. 23.7/11 × 6/7 =
  24. 24.1/4 ÷ 1/10 =
  25. 25.1/6 × 3/4 =
  26. 26.6/7 × 1/3 =
  27. 27.7/10 ÷ 1/4 =
  28. 28.2/5 ÷ 2/9 =
  29. 29.1/3 × 6/11 =
  30. 30.1/4 × 4/9 =
  31. 31.2/9 ÷ 2/11 =
  32. 32.1/3 ÷ 2/3 =
  33. 33.2/5 × 5/6 =
  34. 34.1/3 × 3/5 =
  35. 35.1/2 × 4/7 =
  36. 36.5/9 ÷ 1/3 =
  37. 37.9/10 × 2/5 =
  38. 38.1/6 ÷ 1/2 =
  39. 39.2/3 ÷ 5/9 =
  40. 40.7/9 × 2/7 =

Answer key

  1. 2/5
  2. 1/10
  3. 1/6
  4. 5/11
  5. 4/3
  6. 1/2
  7. 2/5
  8. 1/5
  9. 21/44
  10. 5/14
  11. 1/2
  12. 1
  13. 1/6
  14. 6
  15. 3/5
  16. 3/5
  17. 1/5
  18. 1/2
  19. 1/2
  20. 2/5
  21. 5/42
  22. 3/11
  23. 6/11
  24. 5/2
  25. 1/8
  26. 2/7
  27. 14/5
  28. 9/5
  29. 2/11
  30. 1/9
  31. 11/9
  32. 1/2
  33. 1/3
  34. 1/5
  35. 2/7
  36. 5/3
  37. 9/25
  38. 1/3
  39. 6/5
  40. 2/9

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