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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 872 · 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. 1.8/9 ÷ 8/9 =
  2. 2.3/4 ÷ 1/6 =
  3. 3.2/3 × 1/4 =
  4. 4.2/3 ÷ 2/3 =
  5. 5.2/3 × 5/6 =
  6. 6.2/3 ÷ 4/7 =
  7. 7.1/2 ÷ 1/4 =
  8. 8.1/2 × 2/3 =
  9. 9.1/2 ÷ 1/4 =
  10. 10.9/10 × 1/3 =
  11. 11.2/5 × 5/6 =
  12. 12.5/6 × 3/8 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.2/3 × 3/4 =
  15. 15.2/3 × 1/4 =
  16. 16.6/7 × 2/3 =
  17. 17.3/11 ÷ 3/10 =
  18. 18.3/4 × 1/6 =
  19. 19.1/2 × 2/3 =
  20. 20.1/4 × 2/3 =
  21. 21.8/11 × 1/2 =
  22. 22.1/2 ÷ 3/4 =
  23. 23.1/3 × 3/5 =
  24. 24.5/11 × 2/5 =
  25. 25.3/5 × 5/7 =
  26. 26.3/8 × 1/3 =
  27. 27.1/4 × 4/7 =
  28. 28.6/11 × 1/2 =
  29. 29.2/5 × 5/6 =
  30. 30.1/5 ÷ 2/5 =
  31. 31.1/12 ÷ 7/9 =
  32. 32.2/7 × 1/2 =
  33. 33.3/10 × 4/7 =
  34. 34.2/5 × 5/6 =
  35. 35.3/5 × 2/3 =
  36. 36.1/2 × 4/5 =
  37. 37.1/2 × 2/5 =
  38. 38.1/2 × 2/3 =
  39. 39.2/7 × 1/8 =
  40. 40.3/4 × 1/3 =

Answer key

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

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