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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 630 · 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. 1.1/3 ÷ 1/3 =
  2. 2.5/12 × 9/10 =
  3. 3.1/5 ÷ 3/5 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.7/12 × 4/5 =
  6. 6.2/3 × 1/4 =
  7. 7.1/2 × 2/5 =
  8. 8.3/5 × 1/3 =
  9. 9.1/2 × 4/5 =
  10. 10.1/2 ÷ 1/2 =
  11. 11.3/5 × 2/3 =
  12. 12.4/7 ÷ 2/7 =
  13. 13.3/8 ÷ 1/2 =
  14. 14.5/6 ÷ 1/2 =
  15. 15.3/4 × 1/3 =
  16. 16.3/5 ÷ 3/4 =
  17. 17.10/11 ÷ 5/8 =
  18. 18.3/4 × 2/9 =
  19. 19.2/11 × 1/4 =
  20. 20.7/11 ÷ 7/8 =
  21. 21.6/11 × 1/4 =
  22. 22.3/4 ÷ 5/12 =
  23. 23.3/4 ÷ 3/8 =
  24. 24.3/4 ÷ 1/2 =
  25. 25.7/8 × 8/11 =
  26. 26.3/4 ÷ 1/2 =
  27. 27.4/5 ÷ 1/5 =
  28. 28.1/2 ÷ 7/12 =
  29. 29.2/5 × 10/11 =
  30. 30.4/5 ÷ 2/7 =
  31. 31.1/4 ÷ 1/2 =
  32. 32.4/11 × 1/10 =
  33. 33.5/12 ÷ 1/4 =
  34. 34.10/11 ÷ 2/5 =
  35. 35.1/5 ÷ 9/10 =
  36. 36.2/3 × 3/10 =
  37. 37.9/10 × 1/3 =
  38. 38.1/4 × 2/7 =
  39. 39.4/5 × 1/4 =
  40. 40.3/4 × 2/9 =

Answer key

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

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