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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 143 · 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. 1.1/6 ÷ 5/8 =
  2. 2.1/2 × 2/5 =
  3. 3.1/2 × 4/5 =
  4. 4.5/11 ÷ 5/6 =
  5. 5.2/5 × 5/7 =
  6. 6.3/4 × 1/12 =
  7. 7.1/2 × 2/3 =
  8. 8.1/3 ÷ 1/9 =
  9. 9.1/11 ÷ 7/11 =
  10. 10.2/3 × 5/12 =
  11. 11.1/2 × 4/5 =
  12. 12.1/8 ÷ 3/4 =
  13. 13.5/9 × 2/5 =
  14. 14.4/7 ÷ 2/3 =
  15. 15.1/2 × 2/5 =
  16. 16.3/10 ÷ 3/4 =
  17. 17.2/5 × 7/8 =
  18. 18.2/3 ÷ 2/3 =
  19. 19.9/11 × 1/9 =
  20. 20.1/2 × 4/9 =
  21. 21.2/3 ÷ 1/3 =
  22. 22.4/9 × 1/2 =
  23. 23.1/4 × 6/11 =
  24. 24.1/10 ÷ 1/2 =
  25. 25.1/8 ÷ 1/6 =
  26. 26.1/2 × 2/7 =
  27. 27.2/3 × 1/2 =
  28. 28.3/5 ÷ 9/11 =
  29. 29.2/3 × 1/8 =
  30. 30.3/4 × 6/11 =
  31. 31.1/2 ÷ 1/8 =
  32. 32.1/5 × 5/8 =
  33. 33.3/4 × 5/6 =
  34. 34.2/3 × 1/4 =
  35. 35.1/4 ÷ 1/2 =
  36. 36.2/3 × 1/2 =
  37. 37.4/9 ÷ 1/6 =
  38. 38.2/3 × 1/2 =
  39. 39.1/4 × 2/3 =
  40. 40.1/2 ÷ 11/12 =

Answer key

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

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