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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 310 · 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 ÷ 1/6 =
  2. 2.9/10 × 7/9 =
  3. 3.1/2 ÷ 5/6 =
  4. 4.1/4 ÷ 1/2 =
  5. 5.2/3 × 5/8 =
  6. 6.1/4 ÷ 7/10 =
  7. 7.1/3 ÷ 5/12 =
  8. 8.2/5 ÷ 6/7 =
  9. 9.7/9 ÷ 2/3 =
  10. 10.8/9 × 1/2 =
  11. 11.1/3 ÷ 2/9 =
  12. 12.6/7 ÷ 9/11 =
  13. 13.3/8 × 1/3 =
  14. 14.1/2 × 4/11 =
  15. 15.5/9 × 3/8 =
  16. 16.2/3 × 1/8 =
  17. 17.11/12 ÷ 3/4 =
  18. 18.1/7 × 7/8 =
  19. 19.5/6 × 10/11 =
  20. 20.1/3 × 3/11 =
  21. 21.1/2 × 4/9 =
  22. 22.1/6 ÷ 2/3 =
  23. 23.7/12 × 2/3 =
  24. 24.1/12 × 3/4 =
  25. 25.3/8 ÷ 6/11 =
  26. 26.5/8 ÷ 1/2 =
  27. 27.5/12 × 3/10 =
  28. 28.2/5 × 7/12 =
  29. 29.7/12 ÷ 5/12 =
  30. 30.2/5 ÷ 2/3 =
  31. 31.1/2 ÷ 1/2 =
  32. 32.2/3 ÷ 2/5 =
  33. 33.1/2 ÷ 1/2 =
  34. 34.4/11 × 3/4 =
  35. 35.1/2 × 2/3 =
  36. 36.3/10 × 8/9 =
  37. 37.1/6 ÷ 2/9 =
  38. 38.1/2 × 2/3 =
  39. 39.1/3 ÷ 7/9 =
  40. 40.5/7 × 3/5 =

Answer key

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

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