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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 163 · 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. 1.1/2 × 8/11 =
  2. 2.6/11 × 1/4 =
  3. 3.2/9 ÷ 2/5 =
  4. 4.3/4 × 2/3 =
  5. 5.4/11 × 1/4 =
  6. 6.7/10 ÷ 1/10 =
  7. 7.2/9 × 5/12 =
  8. 8.1/2 × 2/5 =
  9. 9.4/5 × 5/6 =
  10. 10.1/3 × 3/4 =
  11. 11.1/2 ÷ 1/4 =
  12. 12.1/2 × 2/5 =
  13. 13.3/4 × 2/3 =
  14. 14.3/4 ÷ 3/4 =
  15. 15.2/5 × 1/12 =
  16. 16.2/3 ÷ 8/11 =
  17. 17.5/8 ÷ 1/10 =
  18. 18.1/6 × 4/5 =
  19. 19.1/2 × 6/7 =
  20. 20.2/5 × 3/10 =
  21. 21.1/3 × 3/4 =
  22. 22.5/8 ÷ 1/12 =
  23. 23.4/7 ÷ 5/7 =
  24. 24.2/3 × 1/2 =
  25. 25.9/10 × 5/12 =
  26. 26.1/8 × 2/11 =
  27. 27.1/9 × 3/4 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.1/4 ÷ 1/4 =
  31. 31.2/3 × 5/8 =
  32. 32.7/11 × 11/12 =
  33. 33.2/5 × 7/8 =
  34. 34.1/2 ÷ 1/4 =
  35. 35.3/4 ÷ 3/7 =
  36. 36.3/10 × 1/6 =
  37. 37.1/9 ÷ 2/9 =
  38. 38.3/4 × 1/3 =
  39. 39.2/3 ÷ 1/3 =
  40. 40.5/12 × 3/4 =

Answer key

  1. 4/11
  2. 3/22
  3. 5/9
  4. 1/2
  5. 1/11
  6. 7
  7. 5/54
  8. 1/5
  9. 2/3
  10. 1/4
  11. 2
  12. 1/5
  13. 1/2
  14. 1
  15. 1/30
  16. 11/12
  17. 25/4
  18. 2/15
  19. 3/7
  20. 3/25
  21. 1/4
  22. 15/2
  23. 4/5
  24. 1/3
  25. 3/8
  26. 1/44
  27. 1/12
  28. 1
  29. 1
  30. 1
  31. 5/12
  32. 7/12
  33. 7/20
  34. 2
  35. 7/4
  36. 1/20
  37. 1/2
  38. 1/4
  39. 2
  40. 5/16

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