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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 80 · 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. 1.3/4 × 4/5 =
  2. 2.4/5 × 5/12 =
  3. 3.4/9 × 1/6 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.3/11 ÷ 3/5 =
  6. 6.4/7 ÷ 2/3 =
  7. 7.5/6 × 1/5 =
  8. 8.1/2 ÷ 1/6 =
  9. 9.9/10 ÷ 3/4 =
  10. 10.1/4 × 4/7 =
  11. 11.3/4 × 1/6 =
  12. 12.2/3 ÷ 2/7 =
  13. 13.2/5 ÷ 6/11 =
  14. 14.1/9 × 3/11 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.4/5 ÷ 2/3 =
  17. 17.8/9 × 1/2 =
  18. 18.5/6 ÷ 1/4 =
  19. 19.11/12 × 6/7 =
  20. 20.1/2 ÷ 1/12 =
  21. 21.4/5 ÷ 2/9 =
  22. 22.2/3 × 1/2 =
  23. 23.5/6 × 10/11 =
  24. 24.5/12 × 2/3 =
  25. 25.3/7 × 8/9 =
  26. 26.2/3 × 5/8 =
  27. 27.8/9 × 3/7 =
  28. 28.1/6 ÷ 2/3 =
  29. 29.1/4 ÷ 1/2 =
  30. 30.5/6 ÷ 1/2 =
  31. 31.2/3 × 7/10 =
  32. 32.4/5 × 1/6 =
  33. 33.3/4 × 2/11 =
  34. 34.1/2 × 2/3 =
  35. 35.9/10 × 5/12 =
  36. 36.1/3 ÷ 5/12 =
  37. 37.2/11 × 1/2 =
  38. 38.1/3 ÷ 8/9 =
  39. 39.3/10 ÷ 1/2 =
  40. 40.2/3 × 3/5 =

Answer key

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

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