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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 22 · 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 × 1/3 =
  2. 2.4/5 × 1/2 =
  3. 3.4/5 × 10/11 =
  4. 4.2/3 × 1/4 =
  5. 5.3/11 × 5/9 =
  6. 6.5/8 × 2/9 =
  7. 7.5/12 ÷ 1/9 =
  8. 8.1/2 ÷ 1/4 =
  9. 9.3/7 ÷ 1/7 =
  10. 10.2/3 ÷ 1/12 =
  11. 11.5/12 ÷ 1/4 =
  12. 12.8/9 ÷ 11/12 =
  13. 13.2/3 × 1/4 =
  14. 14.3/4 ÷ 7/12 =
  15. 15.4/9 × 1/2 =
  16. 16.4/5 × 1/8 =
  17. 17.4/5 × 1/2 =
  18. 18.11/12 × 3/4 =
  19. 19.2/3 × 1/4 =
  20. 20.2/3 × 3/7 =
  21. 21.4/7 ÷ 2/9 =
  22. 22.5/12 ÷ 9/10 =
  23. 23.7/12 × 3/5 =
  24. 24.1/2 ÷ 1/4 =
  25. 25.1/11 ÷ 7/11 =
  26. 26.2/5 × 1/2 =
  27. 27.3/4 × 1/3 =
  28. 28.1/2 ÷ 1/4 =
  29. 29.3/4 × 2/3 =
  30. 30.4/5 × 1/2 =
  31. 31.2/3 × 1/2 =
  32. 32.3/10 × 2/7 =
  33. 33.1/3 ÷ 4/9 =
  34. 34.1/4 ÷ 3/4 =
  35. 35.4/11 × 3/4 =
  36. 36.4/9 ÷ 2/5 =
  37. 37.2/3 × 6/11 =
  38. 38.1/2 ÷ 1/4 =
  39. 39.1/2 × 8/11 =
  40. 40.2/5 ÷ 1/5 =

Answer key

  1. 1/4
  2. 2/5
  3. 8/11
  4. 1/6
  5. 5/33
  6. 5/36
  7. 15/4
  8. 2
  9. 3
  10. 8
  11. 5/3
  12. 32/33
  13. 1/6
  14. 9/7
  15. 2/9
  16. 1/10
  17. 2/5
  18. 11/16
  19. 1/6
  20. 2/7
  21. 18/7
  22. 25/54
  23. 7/20
  24. 2
  25. 1/7
  26. 1/5
  27. 1/4
  28. 2
  29. 1/2
  30. 2/5
  31. 1/3
  32. 3/35
  33. 3/4
  34. 1/3
  35. 3/11
  36. 10/9
  37. 4/11
  38. 2
  39. 4/11
  40. 2

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