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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 151 · 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. 1.1/12 × 2/5 =
  2. 2.5/6 × 2/3 =
  3. 3.1/6 × 3/7 =
  4. 4.6/7 ÷ 3/8 =
  5. 5.11/12 × 3/5 =
  6. 6.1/2 × 2/5 =
  7. 7.3/8 × 1/3 =
  8. 8.1/3 ÷ 5/6 =
  9. 9.3/5 × 2/3 =
  10. 10.4/9 ÷ 1/3 =
  11. 11.1/3 ÷ 1/3 =
  12. 12.1/2 × 4/7 =
  13. 13.3/8 × 1/6 =
  14. 14.1/2 ÷ 1/4 =
  15. 15.5/6 ÷ 1/4 =
  16. 16.3/7 × 2/3 =
  17. 17.1/6 ÷ 1/3 =
  18. 18.1/10 ÷ 1/4 =
  19. 19.1/12 × 3/5 =
  20. 20.3/10 × 6/11 =
  21. 21.9/10 × 2/9 =
  22. 22.3/11 × 1/3 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.1/2 × 2/5 =
  25. 25.1/8 ÷ 5/6 =
  26. 26.3/8 × 7/9 =
  27. 27.4/5 × 1/8 =
  28. 28.2/3 ÷ 4/5 =
  29. 29.2/3 ÷ 2/11 =
  30. 30.5/9 × 2/5 =
  31. 31.6/7 ÷ 3/11 =
  32. 32.1/6 ÷ 3/8 =
  33. 33.1/2 ÷ 7/12 =
  34. 34.1/2 × 2/5 =
  35. 35.3/4 ÷ 1/4 =
  36. 36.1/9 ÷ 1/3 =
  37. 37.1/6 × 2/5 =
  38. 38.2/3 ÷ 2/3 =
  39. 39.3/4 × 1/3 =
  40. 40.7/11 ÷ 7/8 =

Answer key

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

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