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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 99 · 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. 1.1/4 ÷ 3/10 =
  2. 2.1/2 × 4/5 =
  3. 3.4/9 ÷ 5/12 =
  4. 4.2/3 × 1/4 =
  5. 5.1/3 ÷ 1/3 =
  6. 6.2/3 ÷ 1/3 =
  7. 7.1/2 ÷ 1/6 =
  8. 8.5/6 ÷ 1/2 =
  9. 9.1/6 × 2/5 =
  10. 10.4/5 × 1/2 =
  11. 11.5/6 × 3/7 =
  12. 12.3/10 ÷ 1/4 =
  13. 13.4/9 × 3/5 =
  14. 14.6/7 ÷ 3/5 =
  15. 15.2/11 × 1/2 =
  16. 16.2/3 ÷ 2/3 =
  17. 17.6/11 ÷ 3/11 =
  18. 18.3/4 ÷ 1/2 =
  19. 19.5/8 × 3/5 =
  20. 20.3/4 × 1/12 =
  21. 21.1/3 ÷ 2/3 =
  22. 22.1/2 ÷ 1/2 =
  23. 23.1/2 × 2/3 =
  24. 24.6/7 × 4/9 =
  25. 25.1/10 ÷ 1/2 =
  26. 26.3/8 × 8/11 =
  27. 27.2/3 ÷ 2/3 =
  28. 28.4/9 × 7/10 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.1/10 × 2/3 =
  31. 31.2/5 × 1/2 =
  32. 32.7/10 ÷ 1/4 =
  33. 33.1/4 × 2/3 =
  34. 34.2/3 × 1/4 =
  35. 35.5/6 ÷ 2/3 =
  36. 36.3/4 ÷ 1/2 =
  37. 37.1/3 ÷ 5/6 =
  38. 38.1/2 × 2/3 =
  39. 39.2/3 ÷ 6/7 =
  40. 40.1/6 × 2/3 =

Answer key

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

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