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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 386 · 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. 1.2/5 × 1/6 =
  2. 2.3/10 ÷ 1/2 =
  3. 3.7/10 ÷ 3/4 =
  4. 4.3/10 ÷ 1/2 =
  5. 5.1/2 × 2/3 =
  6. 6.1/2 ÷ 7/12 =
  7. 7.1/2 × 10/11 =
  8. 8.2/9 × 5/8 =
  9. 9.1/2 × 2/3 =
  10. 10.3/4 × 2/3 =
  11. 11.3/8 ÷ 1/2 =
  12. 12.2/3 ÷ 1/3 =
  13. 13.1/6 ÷ 1/2 =
  14. 14.1/4 × 2/3 =
  15. 15.1/6 ÷ 1/4 =
  16. 16.1/2 × 8/11 =
  17. 17.6/7 × 11/12 =
  18. 18.1/4 ÷ 1/2 =
  19. 19.2/5 ÷ 2/3 =
  20. 20.1/2 × 2/3 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.6/7 × 1/3 =
  23. 23.4/5 × 1/2 =
  24. 24.2/3 × 1/4 =
  25. 25.1/6 ÷ 1/4 =
  26. 26.1/2 × 4/9 =
  27. 27.3/5 × 2/3 =
  28. 28.3/5 × 1/3 =
  29. 29.1/2 × 8/9 =
  30. 30.2/5 × 1/2 =
  31. 31.4/5 × 1/12 =
  32. 32.1/2 ÷ 3/4 =
  33. 33.3/4 × 2/5 =
  34. 34.2/5 × 1/6 =
  35. 35.1/2 ÷ 5/6 =
  36. 36.2/3 × 1/2 =
  37. 37.2/3 ÷ 11/12 =
  38. 38.1/2 × 4/5 =
  39. 39.1/2 ÷ 11/12 =
  40. 40.1/2 ÷ 3/10 =

Answer key

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

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