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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 403 · 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. 1.2/3 × 3/10 =
  2. 2.4/5 ÷ 2/3 =
  3. 3.10/11 ÷ 7/11 =
  4. 4.2/7 × 1/2 =
  5. 5.1/6 ÷ 1/2 =
  6. 6.3/4 ÷ 3/7 =
  7. 7.1/2 × 2/3 =
  8. 8.10/11 ÷ 2/3 =
  9. 9.3/4 × 1/3 =
  10. 10.1/8 ÷ 1/8 =
  11. 11.8/11 × 5/6 =
  12. 12.5/9 ÷ 2/3 =
  13. 13.4/5 × 1/2 =
  14. 14.2/3 × 1/2 =
  15. 15.3/4 ÷ 5/6 =
  16. 16.4/5 × 1/2 =
  17. 17.1/4 × 2/3 =
  18. 18.9/11 × 1/3 =
  19. 19.1/4 ÷ 3/4 =
  20. 20.6/11 ÷ 8/11 =
  21. 21.7/10 × 4/5 =
  22. 22.1/4 ÷ 1/2 =
  23. 23.4/7 ÷ 1/7 =
  24. 24.3/4 ÷ 6/11 =
  25. 25.1/4 ÷ 1/2 =
  26. 26.3/4 ÷ 1/8 =
  27. 27.2/5 × 1/2 =
  28. 28.1/4 × 2/5 =
  29. 29.1/2 × 4/9 =
  30. 30.1/2 × 2/3 =
  31. 31.6/7 ÷ 3/5 =
  32. 32.1/2 ÷ 1/2 =
  33. 33.3/10 × 2/9 =
  34. 34.1/2 ÷ 3/4 =
  35. 35.7/12 ÷ 2/3 =
  36. 36.11/12 × 4/5 =
  37. 37.3/8 × 2/5 =
  38. 38.3/11 ÷ 3/4 =
  39. 39.2/7 × 3/4 =
  40. 40.1/6 × 2/3 =

Answer key

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

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