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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 191 · 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 ÷ 6/7 =
  2. 2.4/7 ÷ 3/7 =
  3. 3.1/6 × 6/7 =
  4. 4.1/12 ÷ 1/12 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.2/9 × 3/4 =
  8. 8.2/5 × 1/2 =
  9. 9.2/5 × 1/4 =
  10. 10.2/3 × 5/12 =
  11. 11.2/3 × 1/2 =
  12. 12.3/10 ÷ 6/7 =
  13. 13.7/12 × 2/3 =
  14. 14.2/3 ÷ 4/11 =
  15. 15.6/7 × 7/11 =
  16. 16.9/11 ÷ 8/11 =
  17. 17.8/11 × 1/2 =
  18. 18.1/3 ÷ 5/6 =
  19. 19.2/5 × 1/2 =
  20. 20.3/5 × 5/6 =
  21. 21.4/7 × 3/4 =
  22. 22.4/9 × 1/4 =
  23. 23.2/5 ÷ 1/5 =
  24. 24.5/8 × 2/3 =
  25. 25.1/3 × 3/5 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.5/9 × 3/4 =
  28. 28.3/5 ÷ 9/11 =
  29. 29.2/3 ÷ 1/3 =
  30. 30.6/7 ÷ 3/5 =
  31. 31.1/2 ÷ 1/2 =
  32. 32.1/3 ÷ 2/3 =
  33. 33.1/6 ÷ 7/8 =
  34. 34.3/7 × 7/9 =
  35. 35.8/11 ÷ 4/5 =
  36. 36.1/2 × 2/3 =
  37. 37.4/9 ÷ 2/5 =
  38. 38.2/11 × 5/12 =
  39. 39.1/4 ÷ 5/6 =
  40. 40.1/2 × 2/5 =

Answer key

  1. 7/9
  2. 4/3
  3. 1/7
  4. 1
  5. 1
  6. 1/2
  7. 1/6
  8. 1/5
  9. 1/10
  10. 5/18
  11. 1/3
  12. 7/20
  13. 7/18
  14. 11/6
  15. 6/11
  16. 9/8
  17. 4/11
  18. 2/5
  19. 1/5
  20. 1/2
  21. 3/7
  22. 1/9
  23. 2
  24. 5/12
  25. 1/5
  26. 1
  27. 5/12
  28. 11/15
  29. 2
  30. 10/7
  31. 1
  32. 1/2
  33. 4/21
  34. 1/3
  35. 10/11
  36. 1/3
  37. 10/9
  38. 5/66
  39. 3/10
  40. 1/5

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