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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 532 · 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. 1.3/4 × 1/3 =
  2. 2.1/2 × 2/3 =
  3. 3.1/3 × 3/8 =
  4. 4.4/9 × 3/4 =
  5. 5.1/2 ÷ 1/10 =
  6. 6.3/5 × 5/6 =
  7. 7.2/7 × 3/4 =
  8. 8.3/10 × 1/3 =
  9. 9.5/12 × 2/9 =
  10. 10.7/10 × 4/9 =
  11. 11.8/9 × 1/4 =
  12. 12.2/7 × 5/6 =
  13. 13.5/12 × 4/5 =
  14. 14.3/5 × 2/3 =
  15. 15.1/2 ÷ 7/12 =
  16. 16.1/3 × 3/4 =
  17. 17.1/3 ÷ 1/12 =
  18. 18.2/5 ÷ 4/11 =
  19. 19.7/12 ÷ 1/2 =
  20. 20.2/3 × 1/2 =
  21. 21.3/8 × 1/3 =
  22. 22.7/11 ÷ 1/11 =
  23. 23.1/3 × 6/7 =
  24. 24.4/7 × 1/8 =
  25. 25.1/2 × 4/7 =
  26. 26.3/4 × 8/11 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.3/5 × 1/3 =
  29. 29.7/10 ÷ 4/5 =
  30. 30.10/11 × 3/5 =
  31. 31.1/4 ÷ 3/10 =
  32. 32.1/2 × 2/3 =
  33. 33.2/3 × 3/4 =
  34. 34.3/4 × 1/3 =
  35. 35.1/6 ÷ 2/9 =
  36. 36.5/9 ÷ 2/3 =
  37. 37.3/4 × 4/9 =
  38. 38.4/5 × 1/2 =
  39. 39.3/8 × 5/9 =
  40. 40.2/3 × 1/4 =

Answer key

  1. 1/4
  2. 1/3
  3. 1/8
  4. 1/3
  5. 5
  6. 1/2
  7. 3/14
  8. 1/10
  9. 5/54
  10. 14/45
  11. 2/9
  12. 5/21
  13. 1/3
  14. 2/5
  15. 6/7
  16. 1/4
  17. 4
  18. 11/10
  19. 7/6
  20. 1/3
  21. 1/8
  22. 7
  23. 2/7
  24. 1/14
  25. 2/7
  26. 6/11
  27. 1
  28. 1/5
  29. 7/8
  30. 6/11
  31. 5/6
  32. 1/3
  33. 1/2
  34. 1/4
  35. 3/4
  36. 5/6
  37. 1/3
  38. 2/5
  39. 5/24
  40. 1/6

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