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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 21 · 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. 1.3/8 × 5/12 =
  2. 2.2/3 × 1/2 =
  3. 3.5/7 × 9/10 =
  4. 4.1/2 ÷ 5/12 =
  5. 5.1/2 × 2/5 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.2/11 × 1/2 =
  8. 8.1/2 × 2/11 =
  9. 9.1/3 ÷ 2/3 =
  10. 10.10/11 × 1/2 =
  11. 11.2/7 × 1/4 =
  12. 12.5/9 ÷ 2/3 =
  13. 13.1/2 × 4/5 =
  14. 14.2/3 × 1/2 =
  15. 15.6/11 × 1/2 =
  16. 16.2/3 ÷ 1/3 =
  17. 17.8/9 × 3/7 =
  18. 18.1/2 ÷ 1/4 =
  19. 19.1/2 × 2/3 =
  20. 20.2/9 × 6/7 =
  21. 21.10/11 × 1/4 =
  22. 22.2/5 ÷ 1/10 =
  23. 23.5/12 × 2/5 =
  24. 24.3/8 ÷ 1/2 =
  25. 25.1/4 ÷ 5/6 =
  26. 26.2/3 × 3/4 =
  27. 27.11/12 ÷ 1/2 =
  28. 28.1/12 × 4/7 =
  29. 29.2/11 × 1/4 =
  30. 30.2/3 × 1/2 =
  31. 31.2/5 × 5/6 =
  32. 32.7/9 × 3/4 =
  33. 33.3/10 × 2/3 =
  34. 34.2/3 × 5/8 =
  35. 35.1/6 × 8/11 =
  36. 36.1/12 × 2/3 =
  37. 37.1/8 × 8/9 =
  38. 38.3/10 × 1/12 =
  39. 39.3/7 × 5/6 =
  40. 40.10/11 ÷ 2/5 =

Answer key

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

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