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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 889 · 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. 1.7/12 × 4/5 =
  2. 2.7/9 ÷ 5/6 =
  3. 3.1/2 × 2/3 =
  4. 4.5/12 ÷ 1/2 =
  5. 5.8/9 × 1/2 =
  6. 6.4/9 ÷ 1/6 =
  7. 7.3/10 × 4/5 =
  8. 8.9/11 × 1/3 =
  9. 9.2/3 ÷ 6/7 =
  10. 10.7/8 ÷ 3/8 =
  11. 11.2/7 × 1/2 =
  12. 12.3/11 × 1/3 =
  13. 13.1/3 ÷ 1/6 =
  14. 14.1/8 ÷ 3/4 =
  15. 15.1/2 × 2/5 =
  16. 16.1/10 × 4/11 =
  17. 17.1/2 × 2/3 =
  18. 18.1/2 × 2/3 =
  19. 19.3/8 ÷ 1/2 =
  20. 20.1/4 × 2/3 =
  21. 21.4/7 × 3/8 =
  22. 22.4/5 × 1/2 =
  23. 23.1/2 × 8/9 =
  24. 24.5/6 ÷ 1/2 =
  25. 25.4/9 ÷ 2/3 =
  26. 26.8/11 ÷ 2/5 =
  27. 27.2/11 ÷ 5/11 =
  28. 28.5/6 × 4/9 =
  29. 29.1/2 ÷ 1/4 =
  30. 30.5/6 ÷ 1/6 =
  31. 31.4/9 × 1/4 =
  32. 32.1/2 × 4/5 =
  33. 33.2/7 ÷ 10/11 =
  34. 34.2/3 × 1/6 =
  35. 35.2/3 × 1/10 =
  36. 36.1/6 ÷ 1/8 =
  37. 37.1/12 × 2/7 =
  38. 38.3/8 × 2/3 =
  39. 39.1/4 × 2/3 =
  40. 40.4/5 ÷ 8/9 =

Answer key

  1. 7/15
  2. 14/15
  3. 1/3
  4. 5/6
  5. 4/9
  6. 8/3
  7. 6/25
  8. 3/11
  9. 7/9
  10. 7/3
  11. 1/7
  12. 1/11
  13. 2
  14. 1/6
  15. 1/5
  16. 2/55
  17. 1/3
  18. 1/3
  19. 3/4
  20. 1/6
  21. 3/14
  22. 2/5
  23. 4/9
  24. 5/3
  25. 2/3
  26. 20/11
  27. 2/5
  28. 10/27
  29. 2
  30. 5
  31. 1/9
  32. 2/5
  33. 11/35
  34. 1/9
  35. 1/15
  36. 4/3
  37. 1/42
  38. 1/4
  39. 1/6
  40. 9/10

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