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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 138 · 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. 1.7/9 ÷ 7/8 =
  2. 2.2/3 ÷ 11/12 =
  3. 3.3/10 ÷ 3/10 =
  4. 4.2/3 × 3/5 =
  5. 5.1/12 ÷ 2/3 =
  6. 6.3/11 ÷ 3/4 =
  7. 7.3/4 × 1/6 =
  8. 8.7/10 × 8/9 =
  9. 9.3/5 × 5/9 =
  10. 10.8/9 × 5/6 =
  11. 11.1/6 ÷ 1/2 =
  12. 12.5/6 × 3/8 =
  13. 13.3/5 × 1/12 =
  14. 14.5/12 ÷ 1/3 =
  15. 15.1/4 ÷ 3/4 =
  16. 16.2/3 ÷ 1/3 =
  17. 17.1/2 × 2/3 =
  18. 18.1/4 ÷ 1/2 =
  19. 19.3/5 ÷ 6/11 =
  20. 20.1/2 ÷ 3/8 =
  21. 21.1/2 × 2/5 =
  22. 22.2/3 × 3/8 =
  23. 23.1/3 ÷ 2/3 =
  24. 24.5/6 × 2/3 =
  25. 25.1/3 ÷ 1/12 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.2/3 ÷ 2/3 =
  28. 28.1/2 × 2/3 =
  29. 29.1/2 × 2/3 =
  30. 30.1/2 ÷ 1/2 =
  31. 31.7/10 ÷ 1/4 =
  32. 32.3/7 ÷ 3/5 =
  33. 33.1/2 × 4/5 =
  34. 34.2/3 ÷ 2/3 =
  35. 35.2/5 ÷ 2/3 =
  36. 36.4/9 × 7/10 =
  37. 37.2/5 × 1/10 =
  38. 38.8/9 × 5/6 =
  39. 39.1/2 × 6/7 =
  40. 40.2/5 × 1/2 =

Answer key

  1. 8/9
  2. 8/11
  3. 1
  4. 2/5
  5. 1/8
  6. 4/11
  7. 1/8
  8. 28/45
  9. 1/3
  10. 20/27
  11. 1/3
  12. 5/16
  13. 1/20
  14. 5/4
  15. 1/3
  16. 2
  17. 1/3
  18. 1/2
  19. 11/10
  20. 4/3
  21. 1/5
  22. 1/4
  23. 1/2
  24. 5/9
  25. 4
  26. 1
  27. 1
  28. 1/3
  29. 1/3
  30. 1
  31. 14/5
  32. 5/7
  33. 2/5
  34. 1
  35. 3/5
  36. 14/45
  37. 1/25
  38. 20/27
  39. 3/7
  40. 1/5

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