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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 303 · 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. 1.1/2 ÷ 7/8 =
  2. 2.1/2 ÷ 1/2 =
  3. 3.3/7 ÷ 1/7 =
  4. 4.2/3 × 7/8 =
  5. 5.7/9 ÷ 5/6 =
  6. 6.1/3 ÷ 8/9 =
  7. 7.1/2 × 2/3 =
  8. 8.1/10 × 5/6 =
  9. 9.5/6 × 6/7 =
  10. 10.2/11 ÷ 2/3 =
  11. 11.10/11 × 1/5 =
  12. 12.2/3 ÷ 2/3 =
  13. 13.3/10 × 2/3 =
  14. 14.5/12 ÷ 1/2 =
  15. 15.1/5 × 5/7 =
  16. 16.1/6 × 4/5 =
  17. 17.2/3 × 1/4 =
  18. 18.3/8 × 2/5 =
  19. 19.5/8 × 3/5 =
  20. 20.1/2 × 8/11 =
  21. 21.3/5 ÷ 3/5 =
  22. 22.10/11 × 7/8 =
  23. 23.1/2 ÷ 1/4 =
  24. 24.1/6 ÷ 1/4 =
  25. 25.5/11 ÷ 5/6 =
  26. 26.1/2 ÷ 1/4 =
  27. 27.1/8 ÷ 5/12 =
  28. 28.8/9 ÷ 4/5 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.1/2 ÷ 1/6 =
  31. 31.1/6 ÷ 1/2 =
  32. 32.2/11 × 1/12 =
  33. 33.2/5 ÷ 8/9 =
  34. 34.4/9 × 1/12 =
  35. 35.4/5 × 1/6 =
  36. 36.5/6 × 3/8 =
  37. 37.1/12 ÷ 1/2 =
  38. 38.4/5 ÷ 8/9 =
  39. 39.2/5 × 3/10 =
  40. 40.1/3 ÷ 1/3 =

Answer key

  1. 4/7
  2. 1
  3. 3
  4. 7/12
  5. 14/15
  6. 3/8
  7. 1/3
  8. 1/12
  9. 5/7
  10. 3/11
  11. 2/11
  12. 1
  13. 1/5
  14. 5/6
  15. 1/7
  16. 2/15
  17. 1/6
  18. 3/20
  19. 3/8
  20. 4/11
  21. 1
  22. 35/44
  23. 2
  24. 2/3
  25. 6/11
  26. 2
  27. 3/10
  28. 10/9
  29. 1
  30. 3
  31. 1/3
  32. 1/66
  33. 9/20
  34. 1/27
  35. 2/15
  36. 5/16
  37. 1/6
  38. 9/10
  39. 3/25
  40. 1

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