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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 399 · 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. 1.6/11 × 1/3 =
  2. 2.1/4 ÷ 3/10 =
  3. 3.10/11 × 1/6 =
  4. 4.11/12 ÷ 2/3 =
  5. 5.3/4 × 1/3 =
  6. 6.1/10 × 5/9 =
  7. 7.1/3 ÷ 1/3 =
  8. 8.7/12 ÷ 7/8 =
  9. 9.6/7 × 1/2 =
  10. 10.5/6 ÷ 4/9 =
  11. 11.1/9 ÷ 2/3 =
  12. 12.1/6 ÷ 1/3 =
  13. 13.2/3 × 1/4 =
  14. 14.1/2 ÷ 1/2 =
  15. 15.6/11 × 5/12 =
  16. 16.2/3 × 1/4 =
  17. 17.1/2 ÷ 1/4 =
  18. 18.1/2 × 6/7 =
  19. 19.1/3 ÷ 1/6 =
  20. 20.7/12 × 2/5 =
  21. 21.2/5 × 3/4 =
  22. 22.5/7 × 7/10 =
  23. 23.1/10 ÷ 1/4 =
  24. 24.1/2 × 4/5 =
  25. 25.11/12 ÷ 5/9 =
  26. 26.8/9 ÷ 4/7 =
  27. 27.5/9 × 2/5 =
  28. 28.2/3 × 1/4 =
  29. 29.2/3 × 3/10 =
  30. 30.1/4 ÷ 3/4 =
  31. 31.1/2 × 2/7 =
  32. 32.3/4 ÷ 3/10 =
  33. 33.2/5 ÷ 4/5 =
  34. 34.1/3 ÷ 2/3 =
  35. 35.1/4 × 2/9 =
  36. 36.5/12 × 9/10 =
  37. 37.3/5 ÷ 3/4 =
  38. 38.6/7 × 1/3 =
  39. 39.5/6 ÷ 3/4 =
  40. 40.7/8 × 10/11 =

Answer key

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

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