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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 638 · 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. 1.3/8 × 1/3 =
  2. 2.1/6 × 4/5 =
  3. 3.2/3 × 1/2 =
  4. 4.2/5 ÷ 3/10 =
  5. 5.1/2 ÷ 1/8 =
  6. 6.3/10 × 4/11 =
  7. 7.7/12 × 2/5 =
  8. 8.2/3 × 1/2 =
  9. 9.1/2 ÷ 1/8 =
  10. 10.1/2 × 2/3 =
  11. 11.2/3 × 1/2 =
  12. 12.3/4 ÷ 3/4 =
  13. 13.5/6 × 1/10 =
  14. 14.1/5 ÷ 9/10 =
  15. 15.3/4 × 1/3 =
  16. 16.5/6 × 6/11 =
  17. 17.1/2 ÷ 7/8 =
  18. 18.5/6 × 3/4 =
  19. 19.3/8 × 5/12 =
  20. 20.1/2 ÷ 1/2 =
  21. 21.1/2 ÷ 11/12 =
  22. 22.4/7 × 1/6 =
  23. 23.2/7 × 1/10 =
  24. 24.4/5 ÷ 6/7 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.1/4 ÷ 1/10 =
  27. 27.4/5 × 1/2 =
  28. 28.8/9 × 1/8 =
  29. 29.5/6 × 10/11 =
  30. 30.6/11 × 5/9 =
  31. 31.1/2 ÷ 3/4 =
  32. 32.1/12 ÷ 4/9 =
  33. 33.1/3 ÷ 2/3 =
  34. 34.5/9 ÷ 1/3 =
  35. 35.1/3 × 3/7 =
  36. 36.2/7 × 1/12 =
  37. 37.2/7 × 7/11 =
  38. 38.9/10 ÷ 1/8 =
  39. 39.1/4 ÷ 3/10 =
  40. 40.1/6 ÷ 1/2 =

Answer key

  1. 1/8
  2. 2/15
  3. 1/3
  4. 4/3
  5. 4
  6. 6/55
  7. 7/30
  8. 1/3
  9. 4
  10. 1/3
  11. 1/3
  12. 1
  13. 1/12
  14. 2/9
  15. 1/4
  16. 5/11
  17. 4/7
  18. 5/8
  19. 5/32
  20. 1
  21. 6/11
  22. 2/21
  23. 1/35
  24. 14/15
  25. 1
  26. 5/2
  27. 2/5
  28. 1/9
  29. 25/33
  30. 10/33
  31. 2/3
  32. 3/16
  33. 1/2
  34. 5/3
  35. 1/7
  36. 1/42
  37. 2/11
  38. 36/5
  39. 5/6
  40. 1/3

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