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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 438 · 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 × 4/5 =
  2. 2.2/3 × 1/2 =
  3. 3.1/2 × 2/3 =
  4. 4.5/11 × 2/5 =
  5. 5.2/5 ÷ 4/5 =
  6. 6.7/10 ÷ 3/4 =
  7. 7.1/4 × 2/3 =
  8. 8.4/9 ÷ 4/5 =
  9. 9.5/12 ÷ 1/2 =
  10. 10.3/8 × 5/9 =
  11. 11.8/9 ÷ 2/3 =
  12. 12.4/7 × 7/11 =
  13. 13.6/7 ÷ 4/9 =
  14. 14.1/5 ÷ 2/5 =
  15. 15.1/4 × 2/9 =
  16. 16.1/4 ÷ 1/2 =
  17. 17.2/5 × 1/8 =
  18. 18.1/2 ÷ 1/4 =
  19. 19.5/6 ÷ 5/7 =
  20. 20.1/4 × 4/7 =
  21. 21.6/7 × 1/2 =
  22. 22.1/3 ÷ 1/12 =
  23. 23.3/5 × 2/3 =
  24. 24.1/5 × 5/6 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.1/3 ÷ 1/3 =
  27. 27.1/8 × 2/3 =
  28. 28.1/2 ÷ 1/6 =
  29. 29.3/8 × 1/12 =
  30. 30.3/4 ÷ 1/6 =
  31. 31.1/2 ÷ 1/6 =
  32. 32.5/6 × 3/7 =
  33. 33.2/3 ÷ 2/9 =
  34. 34.5/9 × 3/8 =
  35. 35.1/4 × 4/5 =
  36. 36.2/5 ÷ 2/7 =
  37. 37.1/3 ÷ 1/3 =
  38. 38.1/2 × 8/9 =
  39. 39.1/5 ÷ 3/10 =
  40. 40.1/12 ÷ 1/2 =

Answer key

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

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