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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 401 · 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 × 2/3 =
  2. 2.5/8 × 4/7 =
  3. 3.1/2 × 10/11 =
  4. 4.5/9 × 3/4 =
  5. 5.9/10 × 1/3 =
  6. 6.6/7 × 1/2 =
  7. 7.3/4 × 4/7 =
  8. 8.1/10 × 5/9 =
  9. 9.11/12 × 2/3 =
  10. 10.1/2 ÷ 1/2 =
  11. 11.1/3 × 3/4 =
  12. 12.4/7 × 1/2 =
  13. 13.10/11 × 7/12 =
  14. 14.3/8 ÷ 11/12 =
  15. 15.7/9 ÷ 1/3 =
  16. 16.2/3 × 3/4 =
  17. 17.1/2 ÷ 3/4 =
  18. 18.1/4 × 4/11 =
  19. 19.1/2 ÷ 1/4 =
  20. 20.1/4 ÷ 1/4 =
  21. 21.1/2 ÷ 1/6 =
  22. 22.1/2 × 2/3 =
  23. 23.5/7 × 9/10 =
  24. 24.1/6 × 4/5 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.6/11 × 2/3 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.1/4 × 2/3 =
  29. 29.4/5 × 3/4 =
  30. 30.4/9 × 6/7 =
  31. 31.2/5 × 1/12 =
  32. 32.4/7 × 1/2 =
  33. 33.2/3 × 1/2 =
  34. 34.1/2 ÷ 1/6 =
  35. 35.2/5 ÷ 3/5 =
  36. 36.1/3 ÷ 7/12 =
  37. 37.3/5 ÷ 4/5 =
  38. 38.4/5 × 1/4 =
  39. 39.2/3 × 1/2 =
  40. 40.3/10 × 7/9 =

Answer key

  1. 1/3
  2. 5/14
  3. 5/11
  4. 5/12
  5. 3/10
  6. 3/7
  7. 3/7
  8. 1/18
  9. 11/18
  10. 1
  11. 1/4
  12. 2/7
  13. 35/66
  14. 9/22
  15. 7/3
  16. 1/2
  17. 2/3
  18. 1/11
  19. 2
  20. 1
  21. 3
  22. 1/3
  23. 9/14
  24. 2/15
  25. 1
  26. 4/11
  27. 1
  28. 1/6
  29. 3/5
  30. 8/21
  31. 1/30
  32. 2/7
  33. 1/3
  34. 3
  35. 2/3
  36. 4/7
  37. 3/4
  38. 1/5
  39. 1/3
  40. 7/30

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