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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 60 · 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 × 4/9 =
  2. 2.5/9 × 9/10 =
  3. 3.2/3 × 1/2 =
  4. 4.1/4 × 6/7 =
  5. 5.4/7 × 1/8 =
  6. 6.5/6 ÷ 9/10 =
  7. 7.1/2 ÷ 3/10 =
  8. 8.2/5 × 5/6 =
  9. 9.2/9 × 3/11 =
  10. 10.3/4 × 4/9 =
  11. 11.7/9 × 6/7 =
  12. 12.2/5 × 1/2 =
  13. 13.1/2 × 2/3 =
  14. 14.1/2 ÷ 1/2 =
  15. 15.4/5 ÷ 3/5 =
  16. 16.3/4 ÷ 3/11 =
  17. 17.1/2 ÷ 3/10 =
  18. 18.2/7 × 5/8 =
  19. 19.2/3 ÷ 2/5 =
  20. 20.1/3 ÷ 1/3 =
  21. 21.1/2 ÷ 5/6 =
  22. 22.1/3 × 6/11 =
  23. 23.2/5 × 5/6 =
  24. 24.1/12 × 3/7 =
  25. 25.6/11 × 1/3 =
  26. 26.4/7 × 1/2 =
  27. 27.1/10 × 2/7 =
  28. 28.9/11 ÷ 8/11 =
  29. 29.5/9 ÷ 1/3 =
  30. 30.1/10 × 2/3 =
  31. 31.4/9 × 1/4 =
  32. 32.1/6 ÷ 1/4 =
  33. 33.1/6 ÷ 1/4 =
  34. 34.5/12 ÷ 2/3 =
  35. 35.3/4 × 1/6 =
  36. 36.2/3 × 3/4 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/3 × 3/5 =
  39. 39.5/8 × 2/3 =
  40. 40.2/3 ÷ 7/9 =

Answer key

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

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