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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 768 · 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. 1.1/2 ÷ 3/4 =
  2. 2.1/2 ÷ 1/10 =
  3. 3.3/5 × 5/9 =
  4. 4.1/4 × 2/3 =
  5. 5.1/8 ÷ 1/2 =
  6. 6.1/9 × 3/8 =
  7. 7.1/4 ÷ 3/4 =
  8. 8.7/9 ÷ 7/10 =
  9. 9.2/3 × 1/2 =
  10. 10.1/2 ÷ 7/10 =
  11. 11.1/10 ÷ 1/4 =
  12. 12.9/10 ÷ 3/4 =
  13. 13.1/8 × 8/9 =
  14. 14.7/11 × 6/7 =
  15. 15.1/3 ÷ 4/9 =
  16. 16.1/3 × 9/10 =
  17. 17.2/5 × 3/4 =
  18. 18.2/3 ÷ 1/6 =
  19. 19.5/7 ÷ 10/11 =
  20. 20.1/8 ÷ 1/2 =
  21. 21.1/10 × 5/8 =
  22. 22.2/5 × 1/4 =
  23. 23.5/6 ÷ 1/3 =
  24. 24.2/3 × 7/8 =
  25. 25.11/12 ÷ 1/10 =
  26. 26.3/10 × 5/7 =
  27. 27.5/6 ÷ 1/2 =
  28. 28.2/3 × 1/10 =
  29. 29.1/2 × 8/9 =
  30. 30.7/11 ÷ 6/11 =
  31. 31.1/12 ÷ 1/6 =
  32. 32.2/3 × 7/10 =
  33. 33.1/4 × 2/5 =
  34. 34.3/5 ÷ 3/10 =
  35. 35.3/4 × 1/6 =
  36. 36.2/9 ÷ 2/3 =
  37. 37.3/7 × 8/9 =
  38. 38.6/11 ÷ 4/5 =
  39. 39.7/10 ÷ 1/2 =
  40. 40.1/6 × 4/5 =

Answer key

  1. 2/3
  2. 5
  3. 1/3
  4. 1/6
  5. 1/4
  6. 1/24
  7. 1/3
  8. 10/9
  9. 1/3
  10. 5/7
  11. 2/5
  12. 6/5
  13. 1/9
  14. 6/11
  15. 3/4
  16. 3/10
  17. 3/10
  18. 4
  19. 11/14
  20. 1/4
  21. 1/16
  22. 1/10
  23. 5/2
  24. 7/12
  25. 55/6
  26. 3/14
  27. 5/3
  28. 1/15
  29. 4/9
  30. 7/6
  31. 1/2
  32. 7/15
  33. 1/10
  34. 2
  35. 1/8
  36. 1/3
  37. 8/21
  38. 15/22
  39. 7/5
  40. 2/15

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