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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 11 · 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 ÷ 1/2 =
  2. 2.1/2 × 4/9 =
  3. 3.1/2 ÷ 7/8 =
  4. 4.7/12 × 9/10 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.1/2 ÷ 1/2 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.7/12 × 4/5 =
  9. 9.1/10 × 2/11 =
  10. 10.2/3 ÷ 2/5 =
  11. 11.1/4 ÷ 1/2 =
  12. 12.1/2 × 2/7 =
  13. 13.2/9 ÷ 8/11 =
  14. 14.4/5 × 5/6 =
  15. 15.10/11 × 1/2 =
  16. 16.1/3 ÷ 2/9 =
  17. 17.1/12 ÷ 1/2 =
  18. 18.4/7 × 1/10 =
  19. 19.8/11 × 1/6 =
  20. 20.1/2 ÷ 1/12 =
  21. 21.6/7 × 1/2 =
  22. 22.10/11 × 5/12 =
  23. 23.3/5 ÷ 3/4 =
  24. 24.2/5 × 5/7 =
  25. 25.9/11 ÷ 3/5 =
  26. 26.3/4 ÷ 1/4 =
  27. 27.1/2 ÷ 3/4 =
  28. 28.1/4 × 2/3 =
  29. 29.1/2 ÷ 1/12 =
  30. 30.2/3 ÷ 1/3 =
  31. 31.1/6 ÷ 1/2 =
  32. 32.2/3 × 9/11 =
  33. 33.1/4 ÷ 1/2 =
  34. 34.2/3 × 3/11 =
  35. 35.4/5 ÷ 2/11 =
  36. 36.1/2 × 2/3 =
  37. 37.2/9 × 3/4 =
  38. 38.2/5 ÷ 4/5 =
  39. 39.1/4 × 2/11 =
  40. 40.7/8 ÷ 9/10 =

Answer key

  1. 1
  2. 2/9
  3. 4/7
  4. 21/40
  5. 1
  6. 1
  7. 1
  8. 7/15
  9. 1/55
  10. 5/3
  11. 1/2
  12. 1/7
  13. 11/36
  14. 2/3
  15. 5/11
  16. 3/2
  17. 1/6
  18. 2/35
  19. 4/33
  20. 6
  21. 3/7
  22. 25/66
  23. 4/5
  24. 2/7
  25. 15/11
  26. 3
  27. 2/3
  28. 1/6
  29. 6
  30. 2
  31. 1/3
  32. 6/11
  33. 1/2
  34. 2/11
  35. 22/5
  36. 1/3
  37. 1/6
  38. 1/2
  39. 1/22
  40. 35/36

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