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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 579 · 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. 1.3/10 ÷ 7/12 =
  2. 2.1/4 ÷ 1/10 =
  3. 3.4/5 × 1/2 =
  4. 4.1/2 × 2/7 =
  5. 5.1/6 × 2/11 =
  6. 6.3/10 ÷ 1/2 =
  7. 7.1/2 × 2/3 =
  8. 8.3/4 × 1/3 =
  9. 9.1/2 × 2/5 =
  10. 10.1/2 ÷ 3/4 =
  11. 11.7/12 × 3/4 =
  12. 12.3/4 × 4/5 =
  13. 13.2/3 ÷ 1/3 =
  14. 14.1/2 ÷ 1/8 =
  15. 15.5/7 × 2/5 =
  16. 16.2/3 × 1/2 =
  17. 17.1/2 ÷ 1/4 =
  18. 18.1/2 × 2/11 =
  19. 19.1/2 × 8/11 =
  20. 20.1/2 × 8/9 =
  21. 21.1/3 × 6/11 =
  22. 22.3/10 × 2/5 =
  23. 23.10/11 ÷ 2/3 =
  24. 24.1/2 ÷ 5/6 =
  25. 25.2/3 ÷ 1/3 =
  26. 26.1/4 ÷ 7/12 =
  27. 27.4/5 × 7/10 =
  28. 28.1/3 ÷ 1/3 =
  29. 29.1/2 × 8/11 =
  30. 30.1/3 ÷ 2/3 =
  31. 31.10/11 × 1/12 =
  32. 32.1/4 ÷ 3/4 =
  33. 33.1/6 × 2/3 =
  34. 34.1/6 ÷ 7/8 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.5/6 ÷ 1/2 =
  37. 37.2/5 × 1/2 =
  38. 38.2/3 × 1/2 =
  39. 39.2/3 × 1/6 =
  40. 40.2/9 × 1/4 =

Answer key

  1. 18/35
  2. 5/2
  3. 2/5
  4. 1/7
  5. 1/33
  6. 3/5
  7. 1/3
  8. 1/4
  9. 1/5
  10. 2/3
  11. 7/16
  12. 3/5
  13. 2
  14. 4
  15. 2/7
  16. 1/3
  17. 2
  18. 1/11
  19. 4/11
  20. 4/9
  21. 2/11
  22. 3/25
  23. 15/11
  24. 3/5
  25. 2
  26. 3/7
  27. 14/25
  28. 1
  29. 4/11
  30. 1/2
  31. 5/66
  32. 1/3
  33. 1/9
  34. 4/21
  35. 1
  36. 5/3
  37. 1/5
  38. 1/3
  39. 1/9
  40. 1/18

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