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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 765 · 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. 1.2/3 × 3/10 =
  2. 2.1/2 ÷ 1/2 =
  3. 3.1/4 ÷ 3/4 =
  4. 4.3/4 ÷ 3/7 =
  5. 5.1/2 × 2/3 =
  6. 6.9/10 ÷ 1/8 =
  7. 7.7/12 ÷ 9/10 =
  8. 8.1/2 ÷ 5/6 =
  9. 9.3/7 × 2/3 =
  10. 10.1/2 ÷ 3/4 =
  11. 11.1/3 × 3/4 =
  12. 12.1/2 × 2/7 =
  13. 13.2/5 ÷ 2/3 =
  14. 14.2/9 × 1/8 =
  15. 15.2/5 × 1/2 =
  16. 16.1/3 × 6/7 =
  17. 17.11/12 ÷ 1/3 =
  18. 18.3/4 ÷ 7/12 =
  19. 19.1/2 ÷ 3/8 =
  20. 20.1/4 × 4/5 =
  21. 21.2/3 × 5/8 =
  22. 22.3/4 × 1/3 =
  23. 23.9/11 ÷ 5/11 =
  24. 24.1/2 × 6/11 =
  25. 25.1/3 × 3/4 =
  26. 26.1/3 × 3/4 =
  27. 27.1/4 ÷ 7/10 =
  28. 28.1/2 ÷ 3/4 =
  29. 29.1/3 ÷ 2/3 =
  30. 30.2/3 × 1/2 =
  31. 31.1/3 ÷ 2/3 =
  32. 32.1/4 ÷ 1/2 =
  33. 33.2/3 × 6/7 =
  34. 34.1/10 × 2/9 =
  35. 35.2/3 ÷ 1/6 =
  36. 36.6/7 × 1/3 =
  37. 37.3/5 × 2/3 =
  38. 38.5/8 × 2/5 =
  39. 39.1/3 × 3/8 =
  40. 40.1/4 ÷ 1/2 =

Answer key

  1. 1/5
  2. 1
  3. 1/3
  4. 7/4
  5. 1/3
  6. 36/5
  7. 35/54
  8. 3/5
  9. 2/7
  10. 2/3
  11. 1/4
  12. 1/7
  13. 3/5
  14. 1/36
  15. 1/5
  16. 2/7
  17. 11/4
  18. 9/7
  19. 4/3
  20. 1/5
  21. 5/12
  22. 1/4
  23. 9/5
  24. 3/11
  25. 1/4
  26. 1/4
  27. 5/14
  28. 2/3
  29. 1/2
  30. 1/3
  31. 1/2
  32. 1/2
  33. 4/7
  34. 1/45
  35. 4
  36. 2/7
  37. 2/5
  38. 1/4
  39. 1/8
  40. 1/2

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