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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 970 · 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. 1.5/6 × 2/3 =
  2. 2.3/4 × 11/12 =
  3. 3.2/3 ÷ 2/11 =
  4. 4.2/3 × 3/5 =
  5. 5.1/6 × 4/5 =
  6. 6.9/11 ÷ 3/5 =
  7. 7.6/7 ÷ 2/5 =
  8. 8.9/10 ÷ 1/8 =
  9. 9.3/5 × 1/3 =
  10. 10.1/3 × 9/10 =
  11. 11.1/6 ÷ 3/4 =
  12. 12.2/3 ÷ 2/3 =
  13. 13.5/6 ÷ 1/4 =
  14. 14.1/2 ÷ 1/4 =
  15. 15.1/4 × 2/9 =
  16. 16.5/9 ÷ 1/6 =
  17. 17.1/2 × 2/3 =
  18. 18.4/7 × 1/2 =
  19. 19.10/11 ÷ 2/3 =
  20. 20.2/7 × 5/6 =
  21. 21.2/3 × 7/10 =
  22. 22.2/3 × 1/2 =
  23. 23.4/7 × 1/4 =
  24. 24.3/4 × 5/9 =
  25. 25.5/6 ÷ 1/3 =
  26. 26.1/10 ÷ 1/2 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.7/10 ÷ 1/2 =
  29. 29.1/8 ÷ 1/4 =
  30. 30.7/12 ÷ 1/2 =
  31. 31.1/10 ÷ 1/4 =
  32. 32.10/11 ÷ 5/12 =
  33. 33.8/9 × 3/4 =
  34. 34.2/3 × 3/4 =
  35. 35.3/4 ÷ 1/2 =
  36. 36.3/4 × 1/12 =
  37. 37.3/10 ÷ 1/12 =
  38. 38.1/4 × 2/3 =
  39. 39.2/5 ÷ 1/5 =
  40. 40.4/5 × 1/8 =

Answer key

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

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