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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 228 · 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. 1.1/10 × 2/11 =
  2. 2.4/9 ÷ 5/6 =
  3. 3.2/5 × 1/2 =
  4. 4.3/5 × 1/3 =
  5. 5.3/4 × 4/5 =
  6. 6.1/3 × 3/4 =
  7. 7.1/4 × 2/3 =
  8. 8.2/3 × 6/11 =
  9. 9.1/2 × 6/7 =
  10. 10.2/7 ÷ 2/5 =
  11. 11.1/4 ÷ 1/4 =
  12. 12.3/4 × 2/3 =
  13. 13.4/7 ÷ 2/7 =
  14. 14.6/11 × 2/3 =
  15. 15.2/5 ÷ 2/3 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.1/6 ÷ 5/6 =
  18. 18.1/2 × 4/5 =
  19. 19.2/3 ÷ 1/9 =
  20. 20.2/3 ÷ 2/3 =
  21. 21.5/11 × 2/5 =
  22. 22.2/7 × 1/6 =
  23. 23.1/12 × 2/3 =
  24. 24.10/11 × 3/5 =
  25. 25.8/11 × 7/10 =
  26. 26.1/4 ÷ 1/2 =
  27. 27.1/3 × 3/7 =
  28. 28.7/8 × 6/11 =
  29. 29.4/5 ÷ 1/5 =
  30. 30.9/10 × 2/7 =
  31. 31.1/2 ÷ 5/6 =
  32. 32.1/6 × 2/3 =
  33. 33.1/2 × 2/3 =
  34. 34.4/5 ÷ 2/3 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.2/3 × 1/2 =
  37. 37.2/3 ÷ 2/7 =
  38. 38.1/2 × 8/9 =
  39. 39.1/4 × 6/11 =
  40. 40.1/10 ÷ 1/2 =

Answer key

  1. 1/55
  2. 8/15
  3. 1/5
  4. 1/5
  5. 3/5
  6. 1/4
  7. 1/6
  8. 4/11
  9. 3/7
  10. 5/7
  11. 1
  12. 1/2
  13. 2
  14. 4/11
  15. 3/5
  16. 1
  17. 1/5
  18. 2/5
  19. 6
  20. 1
  21. 2/11
  22. 1/21
  23. 1/18
  24. 6/11
  25. 28/55
  26. 1/2
  27. 1/7
  28. 21/44
  29. 4
  30. 9/35
  31. 3/5
  32. 1/9
  33. 1/3
  34. 6/5
  35. 1
  36. 1/3
  37. 7/3
  38. 4/9
  39. 3/22
  40. 1/5

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