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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 991 · 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. 1.1/2 × 2/3 =
  2. 2.5/6 × 3/5 =
  3. 3.1/6 ÷ 7/9 =
  4. 4.10/11 × 1/2 =
  5. 5.1/9 ÷ 1/3 =
  6. 6.5/6 ÷ 1/4 =
  7. 7.5/6 × 7/10 =
  8. 8.1/2 ÷ 1/2 =
  9. 9.5/6 ÷ 1/2 =
  10. 10.3/4 × 2/3 =
  11. 11.8/9 ÷ 1/3 =
  12. 12.4/5 × 1/2 =
  13. 13.1/8 × 4/5 =
  14. 14.1/3 ÷ 2/3 =
  15. 15.1/2 ÷ 7/10 =
  16. 16.4/5 ÷ 3/10 =
  17. 17.1/6 × 2/3 =
  18. 18.1/3 ÷ 2/3 =
  19. 19.1/9 ÷ 1/3 =
  20. 20.2/3 × 1/4 =
  21. 21.10/11 × 1/4 =
  22. 22.9/10 ÷ 1/4 =
  23. 23.3/8 × 5/12 =
  24. 24.5/6 ÷ 1/3 =
  25. 25.11/12 × 2/5 =
  26. 26.7/8 × 8/9 =
  27. 27.1/3 ÷ 5/6 =
  28. 28.3/11 × 7/12 =
  29. 29.1/2 × 2/3 =
  30. 30.1/7 ÷ 6/7 =
  31. 31.2/3 × 1/4 =
  32. 32.7/10 ÷ 4/5 =
  33. 33.2/3 × 3/5 =
  34. 34.5/6 × 1/10 =
  35. 35.1/2 ÷ 3/4 =
  36. 36.1/5 ÷ 2/5 =
  37. 37.1/6 × 4/9 =
  38. 38.2/7 × 1/2 =
  39. 39.3/11 × 11/12 =
  40. 40.2/3 × 3/5 =

Answer key

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

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