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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 510 · 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. 1.5/6 × 9/11 =
  2. 2.1/12 ÷ 3/10 =
  3. 3.2/3 ÷ 7/9 =
  4. 4.9/10 × 1/6 =
  5. 5.3/4 ÷ 3/5 =
  6. 6.1/3 ÷ 1/12 =
  7. 7.3/5 ÷ 4/5 =
  8. 8.2/7 × 1/2 =
  9. 9.2/3 × 1/4 =
  10. 10.1/6 × 10/11 =
  11. 11.1/2 × 8/9 =
  12. 12.9/10 ÷ 1/5 =
  13. 13.1/2 × 4/5 =
  14. 14.5/6 ÷ 1/4 =
  15. 15.1/2 × 4/9 =
  16. 16.6/11 × 3/4 =
  17. 17.1/2 × 2/3 =
  18. 18.2/3 × 6/11 =
  19. 19.4/11 ÷ 2/3 =
  20. 20.1/4 ÷ 3/10 =
  21. 21.5/6 × 8/9 =
  22. 22.1/3 × 3/11 =
  23. 23.7/8 ÷ 1/2 =
  24. 24.8/9 × 3/5 =
  25. 25.3/5 × 2/9 =
  26. 26.9/10 × 4/5 =
  27. 27.1/6 ÷ 7/12 =
  28. 28.1/4 × 6/7 =
  29. 29.2/7 ÷ 8/11 =
  30. 30.5/12 ÷ 1/2 =
  31. 31.1/4 × 4/9 =
  32. 32.6/11 × 1/4 =
  33. 33.1/6 × 4/11 =
  34. 34.3/8 ÷ 1/2 =
  35. 35.1/6 ÷ 1/3 =
  36. 36.3/4 × 2/3 =
  37. 37.1/2 × 2/3 =
  38. 38.2/9 ÷ 2/3 =
  39. 39.3/4 × 2/3 =
  40. 40.1/2 × 2/3 =

Answer key

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

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