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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 318 · 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. 1.9/10 ÷ 1/4 =
  2. 2.2/3 ÷ 4/5 =
  3. 3.3/4 × 2/7 =
  4. 4.2/5 ÷ 2/5 =
  5. 5.4/5 ÷ 1/5 =
  6. 6.2/5 ÷ 1/5 =
  7. 7.1/2 × 2/9 =
  8. 8.9/10 ÷ 7/8 =
  9. 9.3/8 × 2/3 =
  10. 10.11/12 ÷ 5/12 =
  11. 11.2/3 × 6/7 =
  12. 12.3/7 ÷ 1/7 =
  13. 13.5/12 × 1/5 =
  14. 14.2/5 × 1/4 =
  15. 15.1/4 ÷ 5/12 =
  16. 16.10/11 × 1/4 =
  17. 17.6/7 × 5/6 =
  18. 18.3/4 ÷ 1/2 =
  19. 19.2/3 ÷ 4/9 =
  20. 20.11/12 ÷ 7/10 =
  21. 21.2/3 × 3/5 =
  22. 22.11/12 × 2/5 =
  23. 23.1/3 × 3/4 =
  24. 24.3/4 ÷ 5/6 =
  25. 25.3/10 ÷ 9/11 =
  26. 26.1/2 × 2/11 =
  27. 27.1/3 × 3/4 =
  28. 28.7/12 ÷ 1/2 =
  29. 29.4/9 ÷ 5/6 =
  30. 30.1/2 ÷ 1/4 =
  31. 31.1/2 × 2/3 =
  32. 32.6/7 × 1/2 =
  33. 33.2/3 × 1/8 =
  34. 34.3/7 × 2/3 =
  35. 35.1/2 ÷ 5/6 =
  36. 36.1/2 × 6/11 =
  37. 37.7/12 × 3/7 =
  38. 38.2/3 × 1/12 =
  39. 39.1/3 ÷ 1/6 =
  40. 40.2/5 × 1/2 =

Answer key

  1. 18/5
  2. 5/6
  3. 3/14
  4. 1
  5. 4
  6. 2
  7. 1/9
  8. 36/35
  9. 1/4
  10. 11/5
  11. 4/7
  12. 3
  13. 1/12
  14. 1/10
  15. 3/5
  16. 5/22
  17. 5/7
  18. 3/2
  19. 3/2
  20. 55/42
  21. 2/5
  22. 11/30
  23. 1/4
  24. 9/10
  25. 11/30
  26. 1/11
  27. 1/4
  28. 7/6
  29. 8/15
  30. 2
  31. 1/3
  32. 3/7
  33. 1/12
  34. 2/7
  35. 3/5
  36. 3/11
  37. 1/4
  38. 1/18
  39. 2
  40. 1/5

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