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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 312 · 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 × 2/3 =
  2. 2.3/4 × 1/3 =
  3. 3.1/2 × 2/11 =
  4. 4.1/2 ÷ 7/12 =
  5. 5.3/10 × 2/5 =
  6. 6.3/5 ÷ 1/10 =
  7. 7.1/2 × 2/5 =
  8. 8.1/4 ÷ 1/2 =
  9. 9.1/2 × 6/7 =
  10. 10.3/4 ÷ 1/2 =
  11. 11.1/4 × 2/5 =
  12. 12.2/3 × 1/2 =
  13. 13.2/3 × 1/4 =
  14. 14.3/4 × 5/6 =
  15. 15.1/4 × 2/5 =
  16. 16.1/2 × 2/3 =
  17. 17.3/4 × 7/9 =
  18. 18.2/5 × 1/2 =
  19. 19.1/2 ÷ 7/10 =
  20. 20.2/3 × 1/4 =
  21. 21.4/5 × 3/4 =
  22. 22.5/12 ÷ 1/2 =
  23. 23.9/10 ÷ 2/5 =
  24. 24.2/9 ÷ 2/3 =
  25. 25.1/3 × 3/4 =
  26. 26.1/6 ÷ 4/9 =
  27. 27.3/10 × 5/11 =
  28. 28.2/11 ÷ 4/5 =
  29. 29.1/4 × 4/9 =
  30. 30.7/10 × 4/5 =
  31. 31.1/2 × 4/5 =
  32. 32.2/9 × 5/12 =
  33. 33.2/3 ÷ 2/7 =
  34. 34.2/3 × 3/5 =
  35. 35.1/2 × 2/11 =
  36. 36.3/5 ÷ 2/5 =
  37. 37.4/7 × 1/4 =
  38. 38.1/2 × 2/3 =
  39. 39.3/5 × 1/3 =
  40. 40.9/10 × 2/3 =

Answer key

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

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