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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 902 · 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. 1.1/8 ÷ 1/2 =
  2. 2.3/4 × 7/12 =
  3. 3.3/4 ÷ 9/11 =
  4. 4.3/4 × 2/5 =
  5. 5.5/6 × 3/5 =
  6. 6.1/6 ÷ 1/2 =
  7. 7.1/2 ÷ 5/6 =
  8. 8.1/4 ÷ 1/8 =
  9. 9.3/5 × 5/8 =
  10. 10.1/6 × 3/5 =
  11. 11.3/4 ÷ 1/12 =
  12. 12.1/2 × 2/3 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.4/5 × 9/10 =
  15. 15.1/5 × 5/6 =
  16. 16.1/12 ÷ 1/3 =
  17. 17.1/2 × 4/5 =
  18. 18.4/9 × 1/6 =
  19. 19.2/3 × 1/2 =
  20. 20.1/5 ÷ 2/5 =
  21. 21.3/10 × 2/3 =
  22. 22.5/6 × 4/5 =
  23. 23.1/5 ÷ 4/5 =
  24. 24.7/12 ÷ 1/3 =
  25. 25.1/4 ÷ 1/12 =
  26. 26.1/6 × 2/3 =
  27. 27.1/2 × 6/7 =
  28. 28.1/2 × 4/7 =
  29. 29.9/10 ÷ 1/8 =
  30. 30.2/7 × 1/4 =
  31. 31.8/11 ÷ 5/11 =
  32. 32.7/12 ÷ 1/2 =
  33. 33.1/6 ÷ 1/2 =
  34. 34.1/6 ÷ 5/6 =
  35. 35.1/4 ÷ 1/6 =
  36. 36.5/12 × 10/11 =
  37. 37.5/9 × 6/7 =
  38. 38.1/10 × 2/3 =
  39. 39.2/3 × 1/2 =
  40. 40.3/4 ÷ 3/4 =

Answer key

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

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