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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 775 · 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. 1.3/4 ÷ 6/11 =
  2. 2.1/2 × 4/5 =
  3. 3.5/8 × 2/3 =
  4. 4.7/11 × 5/7 =
  5. 5.9/10 × 10/11 =
  6. 6.2/9 × 3/7 =
  7. 7.1/6 ÷ 1/2 =
  8. 8.8/9 × 5/8 =
  9. 9.5/12 ÷ 1/4 =
  10. 10.1/4 ÷ 1/2 =
  11. 11.2/3 × 1/12 =
  12. 12.2/3 ÷ 2/5 =
  13. 13.1/12 ÷ 3/4 =
  14. 14.3/4 × 7/9 =
  15. 15.3/7 × 5/9 =
  16. 16.4/7 × 1/4 =
  17. 17.2/3 × 1/4 =
  18. 18.10/11 × 1/2 =
  19. 19.1/2 × 8/9 =
  20. 20.1/6 × 3/10 =
  21. 21.6/11 × 2/9 =
  22. 22.8/9 ÷ 5/6 =
  23. 23.5/6 ÷ 5/8 =
  24. 24.1/3 × 3/11 =
  25. 25.11/12 ÷ 1/2 =
  26. 26.3/10 × 2/3 =
  27. 27.5/6 ÷ 1/2 =
  28. 28.1/2 ÷ 5/12 =
  29. 29.9/10 ÷ 1/2 =
  30. 30.1/7 ÷ 3/7 =
  31. 31.2/3 × 1/2 =
  32. 32.4/7 × 1/4 =
  33. 33.4/7 × 5/6 =
  34. 34.2/5 × 1/4 =
  35. 35.7/8 ÷ 5/8 =
  36. 36.3/5 ÷ 1/5 =
  37. 37.4/5 × 1/4 =
  38. 38.5/7 × 7/9 =
  39. 39.2/7 ÷ 2/3 =
  40. 40.2/11 × 3/8 =

Answer key

  1. 11/8
  2. 2/5
  3. 5/12
  4. 5/11
  5. 9/11
  6. 2/21
  7. 1/3
  8. 5/9
  9. 5/3
  10. 1/2
  11. 1/18
  12. 5/3
  13. 1/9
  14. 7/12
  15. 5/21
  16. 1/7
  17. 1/6
  18. 5/11
  19. 4/9
  20. 1/20
  21. 4/33
  22. 16/15
  23. 4/3
  24. 1/11
  25. 11/6
  26. 1/5
  27. 5/3
  28. 6/5
  29. 9/5
  30. 1/3
  31. 1/3
  32. 1/7
  33. 10/21
  34. 1/10
  35. 7/5
  36. 3
  37. 1/5
  38. 5/9
  39. 3/7
  40. 3/44

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