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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 835 · 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 × 1/2 =
  2. 2.10/11 × 1/2 =
  3. 3.5/6 ÷ 5/9 =
  4. 4.2/5 × 3/4 =
  5. 5.2/3 ÷ 4/9 =
  6. 6.4/9 × 11/12 =
  7. 7.3/8 × 1/3 =
  8. 8.1/10 ÷ 1/2 =
  9. 9.2/9 × 3/5 =
  10. 10.1/2 ÷ 3/4 =
  11. 11.2/3 × 1/2 =
  12. 12.3/11 ÷ 3/4 =
  13. 13.1/2 ÷ 1/6 =
  14. 14.1/2 × 2/3 =
  15. 15.5/6 × 1/5 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.2/5 ÷ 2/3 =
  18. 18.1/3 ÷ 5/6 =
  19. 19.4/5 × 1/2 =
  20. 20.1/2 × 4/5 =
  21. 21.2/3 ÷ 1/3 =
  22. 22.1/4 ÷ 11/12 =
  23. 23.11/12 × 2/3 =
  24. 24.2/11 ÷ 9/11 =
  25. 25.1/2 × 2/3 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.1/4 × 2/3 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.1/3 ÷ 1/3 =
  30. 30.3/4 ÷ 1/2 =
  31. 31.5/12 × 1/10 =
  32. 32.2/3 × 3/8 =
  33. 33.11/12 × 3/4 =
  34. 34.2/11 ÷ 6/7 =
  35. 35.6/11 × 1/6 =
  36. 36.3/4 ÷ 1/12 =
  37. 37.2/3 ÷ 4/5 =
  38. 38.6/7 × 1/2 =
  39. 39.3/4 ÷ 1/6 =
  40. 40.1/6 ÷ 5/8 =

Answer key

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

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