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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 109 · 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. 1.4/5 × 1/2 =
  2. 2.1/4 ÷ 5/12 =
  3. 3.3/4 ÷ 1/2 =
  4. 4.11/12 ÷ 9/10 =
  5. 5.2/7 ÷ 4/11 =
  6. 6.5/6 × 1/10 =
  7. 7.5/9 × 3/10 =
  8. 8.11/12 × 3/5 =
  9. 9.4/9 × 1/2 =
  10. 10.3/8 ÷ 3/7 =
  11. 11.2/3 × 1/4 =
  12. 12.6/7 × 1/2 =
  13. 13.3/4 ÷ 3/11 =
  14. 14.2/3 ÷ 5/9 =
  15. 15.4/5 ÷ 2/11 =
  16. 16.7/12 ÷ 1/2 =
  17. 17.5/8 × 3/5 =
  18. 18.1/4 × 4/5 =
  19. 19.1/2 × 4/5 =
  20. 20.1/2 ÷ 1/6 =
  21. 21.3/4 × 1/3 =
  22. 22.3/4 × 1/3 =
  23. 23.3/4 × 1/3 =
  24. 24.1/3 ÷ 5/6 =
  25. 25.1/2 × 2/11 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.7/8 ÷ 1/2 =
  28. 28.2/3 ÷ 4/9 =
  29. 29.7/9 × 3/4 =
  30. 30.9/10 ÷ 3/4 =
  31. 31.2/3 × 1/2 =
  32. 32.1/2 × 2/3 =
  33. 33.6/7 ÷ 2/3 =
  34. 34.5/6 × 3/11 =
  35. 35.2/3 × 1/2 =
  36. 36.1/6 × 9/11 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.2/7 × 1/2 =
  39. 39.8/9 ÷ 2/3 =
  40. 40.4/5 ÷ 4/5 =

Answer key

  1. 2/5
  2. 3/5
  3. 3/2
  4. 55/54
  5. 11/14
  6. 1/12
  7. 1/6
  8. 11/20
  9. 2/9
  10. 7/8
  11. 1/6
  12. 3/7
  13. 11/4
  14. 6/5
  15. 22/5
  16. 7/6
  17. 3/8
  18. 1/5
  19. 2/5
  20. 3
  21. 1/4
  22. 1/4
  23. 1/4
  24. 2/5
  25. 1/11
  26. 1
  27. 7/4
  28. 3/2
  29. 7/12
  30. 6/5
  31. 1/3
  32. 1/3
  33. 9/7
  34. 5/22
  35. 1/3
  36. 3/22
  37. 1
  38. 1/7
  39. 4/3
  40. 1

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