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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 280 · 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 × 1/2 =
  2. 2.5/9 × 6/7 =
  3. 3.3/8 ÷ 1/2 =
  4. 4.1/8 × 2/3 =
  5. 5.1/4 × 4/5 =
  6. 6.3/7 ÷ 3/5 =
  7. 7.1/4 ÷ 1/6 =
  8. 8.4/7 × 5/6 =
  9. 9.1/4 × 2/3 =
  10. 10.6/11 × 1/2 =
  11. 11.8/9 ÷ 2/9 =
  12. 12.8/11 × 3/4 =
  13. 13.1/3 ÷ 1/9 =
  14. 14.1/2 ÷ 1/2 =
  15. 15.7/8 × 8/11 =
  16. 16.1/4 ÷ 1/4 =
  17. 17.2/11 × 1/2 =
  18. 18.1/2 ÷ 3/4 =
  19. 19.1/4 × 2/7 =
  20. 20.6/7 × 2/3 =
  21. 21.10/11 ÷ 2/5 =
  22. 22.2/11 × 3/4 =
  23. 23.1/3 ÷ 1/3 =
  24. 24.2/3 × 1/10 =
  25. 25.2/3 × 1/2 =
  26. 26.2/7 × 7/8 =
  27. 27.5/12 × 4/11 =
  28. 28.2/5 × 1/6 =
  29. 29.2/3 × 1/2 =
  30. 30.1/2 ÷ 1/2 =
  31. 31.2/3 ÷ 2/3 =
  32. 32.2/9 × 5/6 =
  33. 33.3/5 × 11/12 =
  34. 34.3/5 × 5/6 =
  35. 35.1/3 × 3/4 =
  36. 36.1/4 × 4/5 =
  37. 37.1/4 ÷ 5/6 =
  38. 38.1/6 × 4/5 =
  39. 39.8/9 ÷ 1/3 =
  40. 40.1/4 × 8/11 =

Answer key

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

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