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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 580 · 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. 1.1/5 × 5/9 =
  2. 2.1/3 ÷ 2/3 =
  3. 3.4/5 ÷ 8/11 =
  4. 4.1/2 ÷ 1/6 =
  5. 5.2/3 × 3/11 =
  6. 6.7/12 × 3/4 =
  7. 7.2/3 × 3/5 =
  8. 8.1/2 × 4/5 =
  9. 9.4/5 × 3/10 =
  10. 10.6/11 × 2/3 =
  11. 11.7/10 ÷ 1/4 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.1/3 ÷ 5/12 =
  14. 14.1/2 ÷ 1/2 =
  15. 15.7/9 × 3/11 =
  16. 16.7/11 × 4/7 =
  17. 17.2/7 × 1/4 =
  18. 18.1/2 ÷ 1/2 =
  19. 19.1/3 ÷ 5/12 =
  20. 20.1/7 × 7/12 =
  21. 21.1/2 × 2/5 =
  22. 22.7/8 ÷ 1/2 =
  23. 23.5/12 ÷ 8/9 =
  24. 24.5/6 × 1/10 =
  25. 25.6/11 ÷ 5/11 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.5/12 × 6/7 =
  28. 28.5/6 × 4/11 =
  29. 29.8/11 ÷ 2/5 =
  30. 30.2/7 × 1/2 =
  31. 31.2/3 × 3/4 =
  32. 32.9/10 ÷ 5/6 =
  33. 33.1/2 ÷ 1/6 =
  34. 34.3/4 ÷ 1/2 =
  35. 35.1/2 × 2/11 =
  36. 36.5/6 ÷ 1/2 =
  37. 37.1/2 × 2/3 =
  38. 38.2/3 × 3/11 =
  39. 39.2/5 × 5/6 =
  40. 40.4/7 × 7/12 =

Answer key

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

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