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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 642 · 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 ÷ 1/6 =
  2. 2.8/11 ÷ 10/11 =
  3. 3.2/5 × 1/2 =
  4. 4.1/10 ÷ 3/4 =
  5. 5.1/3 ÷ 7/12 =
  6. 6.2/11 × 5/6 =
  7. 7.7/12 × 8/11 =
  8. 8.8/9 × 7/10 =
  9. 9.1/2 ÷ 11/12 =
  10. 10.2/11 × 1/4 =
  11. 11.7/8 ÷ 1/8 =
  12. 12.4/5 ÷ 3/5 =
  13. 13.1/8 × 4/7 =
  14. 14.4/9 × 5/6 =
  15. 15.3/7 × 7/11 =
  16. 16.7/11 × 5/7 =
  17. 17.2/3 × 1/4 =
  18. 18.3/10 ÷ 1/2 =
  19. 19.8/11 × 1/2 =
  20. 20.1/12 ÷ 11/12 =
  21. 21.1/2 ÷ 5/6 =
  22. 22.7/10 × 5/11 =
  23. 23.1/3 × 3/4 =
  24. 24.4/11 × 1/2 =
  25. 25.6/11 × 1/2 =
  26. 26.3/5 ÷ 1/5 =
  27. 27.3/4 × 1/3 =
  28. 28.2/3 × 1/2 =
  29. 29.1/3 ÷ 5/6 =
  30. 30.2/3 × 1/2 =
  31. 31.1/12 × 8/9 =
  32. 32.4/7 ÷ 4/5 =
  33. 33.5/8 ÷ 3/4 =
  34. 34.7/8 ÷ 1/2 =
  35. 35.1/12 × 2/5 =
  36. 36.4/5 × 3/10 =
  37. 37.4/9 ÷ 2/7 =
  38. 38.2/3 ÷ 4/5 =
  39. 39.9/10 ÷ 1/10 =
  40. 40.1/3 ÷ 5/6 =

Answer key

  1. 3
  2. 4/5
  3. 1/5
  4. 2/15
  5. 4/7
  6. 5/33
  7. 14/33
  8. 28/45
  9. 6/11
  10. 1/22
  11. 7
  12. 4/3
  13. 1/14
  14. 10/27
  15. 3/11
  16. 5/11
  17. 1/6
  18. 3/5
  19. 4/11
  20. 1/11
  21. 3/5
  22. 7/22
  23. 1/4
  24. 2/11
  25. 3/11
  26. 3
  27. 1/4
  28. 1/3
  29. 2/5
  30. 1/3
  31. 2/27
  32. 5/7
  33. 5/6
  34. 7/4
  35. 1/30
  36. 6/25
  37. 14/9
  38. 5/6
  39. 9
  40. 2/5

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