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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 314 · 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 × 1/2 =
  2. 2.1/2 × 2/5 =
  3. 3.2/11 ÷ 2/3 =
  4. 4.11/12 × 3/4 =
  5. 5.5/8 × 4/11 =
  6. 6.3/7 × 7/10 =
  7. 7.4/5 × 5/7 =
  8. 8.7/8 × 4/5 =
  9. 9.7/10 × 2/5 =
  10. 10.5/6 ÷ 2/3 =
  11. 11.1/12 × 2/5 =
  12. 12.2/11 × 1/2 =
  13. 13.8/9 × 1/4 =
  14. 14.1/3 ÷ 1/3 =
  15. 15.1/3 ÷ 4/9 =
  16. 16.3/4 ÷ 3/10 =
  17. 17.1/2 × 4/7 =
  18. 18.1/10 × 5/7 =
  19. 19.8/11 × 1/4 =
  20. 20.2/3 × 9/10 =
  21. 21.1/10 ÷ 1/2 =
  22. 22.2/3 ÷ 2/9 =
  23. 23.5/6 ÷ 7/10 =
  24. 24.1/4 × 4/7 =
  25. 25.1/2 ÷ 11/12 =
  26. 26.3/5 × 1/6 =
  27. 27.3/4 × 1/3 =
  28. 28.1/8 × 4/5 =
  29. 29.2/3 × 1/2 =
  30. 30.5/12 ÷ 2/3 =
  31. 31.2/3 × 5/12 =
  32. 32.1/2 ÷ 1/6 =
  33. 33.2/5 ÷ 2/5 =
  34. 34.1/2 × 2/3 =
  35. 35.1/4 × 10/11 =
  36. 36.3/4 ÷ 1/4 =
  37. 37.2/3 × 1/4 =
  38. 38.4/5 ÷ 2/3 =
  39. 39.2/5 × 1/4 =
  40. 40.3/7 × 5/6 =

Answer key

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

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