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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 819 · 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. 1.2/7 × 1/4 =
  2. 2.4/5 × 1/6 =
  3. 3.2/3 × 1/2 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.8/9 × 1/4 =
  7. 7.8/11 ÷ 6/7 =
  8. 8.2/3 × 3/4 =
  9. 9.2/11 ÷ 2/3 =
  10. 10.7/12 ÷ 7/8 =
  11. 11.2/3 × 3/4 =
  12. 12.5/12 × 8/9 =
  13. 13.2/7 × 7/12 =
  14. 14.1/3 × 6/7 =
  15. 15.1/12 × 2/3 =
  16. 16.3/5 ÷ 3/10 =
  17. 17.1/4 ÷ 1/4 =
  18. 18.2/9 ÷ 2/3 =
  19. 19.4/11 ÷ 4/5 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.1/5 × 5/9 =
  22. 22.1/11 ÷ 8/11 =
  23. 23.5/8 ÷ 3/8 =
  24. 24.2/3 ÷ 2/11 =
  25. 25.8/9 × 1/2 =
  26. 26.3/4 × 4/5 =
  27. 27.2/3 × 3/11 =
  28. 28.1/3 ÷ 8/9 =
  29. 29.3/11 ÷ 3/7 =
  30. 30.1/4 ÷ 7/10 =
  31. 31.3/10 × 1/3 =
  32. 32.7/10 × 2/3 =
  33. 33.2/3 ÷ 5/9 =
  34. 34.1/9 ÷ 5/6 =
  35. 35.1/2 ÷ 1/6 =
  36. 36.9/11 × 8/9 =
  37. 37.1/2 × 4/5 =
  38. 38.1/2 ÷ 1/2 =
  39. 39.4/7 × 7/11 =
  40. 40.2/3 × 1/2 =

Answer key

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

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