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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 71 · 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 × 2/5 =
  2. 2.3/4 × 1/3 =
  3. 3.1/5 ÷ 7/10 =
  4. 4.1/2 ÷ 3/4 =
  5. 5.5/11 ÷ 3/11 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.2/3 ÷ 5/6 =
  8. 8.2/3 × 1/6 =
  9. 9.2/5 × 7/12 =
  10. 10.1/3 × 3/4 =
  11. 11.3/4 × 6/11 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.1/10 × 5/12 =
  14. 14.8/11 × 3/4 =
  15. 15.11/12 × 6/11 =
  16. 16.1/2 ÷ 7/10 =
  17. 17.1/4 × 2/3 =
  18. 18.2/5 × 1/2 =
  19. 19.2/3 ÷ 1/3 =
  20. 20.8/11 ÷ 2/11 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.1/2 ÷ 1/2 =
  23. 23.1/3 ÷ 2/3 =
  24. 24.2/3 × 3/4 =
  25. 25.2/3 × 1/2 =
  26. 26.3/4 ÷ 1/2 =
  27. 27.1/2 ÷ 5/8 =
  28. 28.2/3 ÷ 1/3 =
  29. 29.2/5 × 1/2 =
  30. 30.1/4 ÷ 5/8 =
  31. 31.5/9 × 1/5 =
  32. 32.3/10 × 1/12 =
  33. 33.3/5 ÷ 3/4 =
  34. 34.5/6 ÷ 5/9 =
  35. 35.5/6 × 4/5 =
  36. 36.4/5 × 1/2 =
  37. 37.5/6 ÷ 1/2 =
  38. 38.1/9 × 3/7 =
  39. 39.1/5 ÷ 3/5 =
  40. 40.1/12 ÷ 1/2 =

Answer key

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

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