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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 441 · 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 × 5/6 =
  2. 2.2/3 × 6/11 =
  3. 3.1/2 × 2/3 =
  4. 4.1/6 × 10/11 =
  5. 5.1/2 × 2/3 =
  6. 6.1/3 ÷ 5/9 =
  7. 7.2/3 × 1/6 =
  8. 8.2/3 × 1/2 =
  9. 9.3/5 × 1/9 =
  10. 10.3/4 ÷ 1/2 =
  11. 11.1/2 ÷ 3/4 =
  12. 12.1/6 ÷ 1/4 =
  13. 13.1/2 ÷ 1/4 =
  14. 14.1/4 ÷ 1/2 =
  15. 15.5/11 × 3/10 =
  16. 16.3/10 ÷ 2/5 =
  17. 17.2/3 × 5/8 =
  18. 18.1/6 ÷ 1/2 =
  19. 19.7/12 ÷ 1/2 =
  20. 20.3/4 × 4/7 =
  21. 21.3/4 × 2/5 =
  22. 22.2/11 × 5/6 =
  23. 23.8/11 ÷ 8/9 =
  24. 24.1/3 × 9/10 =
  25. 25.1/2 ÷ 5/6 =
  26. 26.1/3 ÷ 11/12 =
  27. 27.2/3 × 3/4 =
  28. 28.7/9 ÷ 1/9 =
  29. 29.4/5 ÷ 7/10 =
  30. 30.1/8 × 2/3 =
  31. 31.5/6 ÷ 2/3 =
  32. 32.3/10 × 11/12 =
  33. 33.2/9 ÷ 1/6 =
  34. 34.1/2 ÷ 1/2 =
  35. 35.2/3 ÷ 4/5 =
  36. 36.8/9 ÷ 5/12 =
  37. 37.1/4 ÷ 5/12 =
  38. 38.1/12 ÷ 1/2 =
  39. 39.1/5 × 5/6 =
  40. 40.4/9 × 3/5 =

Answer key

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

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