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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 256 · 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 ÷ 3/4 =
  2. 2.1/5 ÷ 2/5 =
  3. 3.5/8 × 2/3 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.7/9 × 3/4 =
  6. 6.5/6 × 2/11 =
  7. 7.7/8 ÷ 1/2 =
  8. 8.1/2 ÷ 1/2 =
  9. 9.2/3 × 1/2 =
  10. 10.3/4 × 1/12 =
  11. 11.5/6 × 2/5 =
  12. 12.3/10 ÷ 5/6 =
  13. 13.3/10 × 1/3 =
  14. 14.7/10 ÷ 7/9 =
  15. 15.1/6 ÷ 1/3 =
  16. 16.1/10 ÷ 1/2 =
  17. 17.6/7 × 1/2 =
  18. 18.9/11 × 1/3 =
  19. 19.10/11 × 1/2 =
  20. 20.2/5 × 3/10 =
  21. 21.1/5 × 5/7 =
  22. 22.4/5 ÷ 2/11 =
  23. 23.1/2 ÷ 5/8 =
  24. 24.1/2 × 2/3 =
  25. 25.2/3 × 3/11 =
  26. 26.1/4 ÷ 1/8 =
  27. 27.7/12 ÷ 8/9 =
  28. 28.1/6 × 4/5 =
  29. 29.5/6 × 3/4 =
  30. 30.1/2 × 2/5 =
  31. 31.9/11 × 1/3 =
  32. 32.2/3 × 3/4 =
  33. 33.4/9 ÷ 5/9 =
  34. 34.1/3 ÷ 2/3 =
  35. 35.1/8 ÷ 11/12 =
  36. 36.9/10 ÷ 11/12 =
  37. 37.6/7 × 1/4 =
  38. 38.1/2 ÷ 11/12 =
  39. 39.1/2 ÷ 1/6 =
  40. 40.5/9 ÷ 2/3 =

Answer key

  1. 2/3
  2. 1/2
  3. 5/12
  4. 1
  5. 7/12
  6. 5/33
  7. 7/4
  8. 1
  9. 1/3
  10. 1/16
  11. 1/3
  12. 9/25
  13. 1/10
  14. 9/10
  15. 1/2
  16. 1/5
  17. 3/7
  18. 3/11
  19. 5/11
  20. 3/25
  21. 1/7
  22. 22/5
  23. 4/5
  24. 1/3
  25. 2/11
  26. 2
  27. 21/32
  28. 2/15
  29. 5/8
  30. 1/5
  31. 3/11
  32. 1/2
  33. 4/5
  34. 1/2
  35. 3/22
  36. 54/55
  37. 3/14
  38. 6/11
  39. 3
  40. 5/6

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