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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 400 · 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. 1.3/7 × 5/6 =
  2. 2.8/9 × 3/4 =
  3. 3.4/5 × 1/6 =
  4. 4.5/6 ÷ 2/3 =
  5. 5.5/6 ÷ 1/2 =
  6. 6.1/3 × 3/5 =
  7. 7.2/3 ÷ 4/5 =
  8. 8.1/8 ÷ 5/8 =
  9. 9.5/11 × 1/5 =
  10. 10.2/3 × 3/4 =
  11. 11.2/3 × 1/2 =
  12. 12.4/5 × 5/6 =
  13. 13.3/4 × 7/9 =
  14. 14.7/9 × 3/4 =
  15. 15.1/2 × 2/5 =
  16. 16.1/6 ÷ 1/3 =
  17. 17.1/4 ÷ 3/4 =
  18. 18.8/11 ÷ 2/5 =
  19. 19.1/2 × 2/3 =
  20. 20.9/11 × 7/12 =
  21. 21.2/3 × 7/10 =
  22. 22.9/10 ÷ 4/5 =
  23. 23.6/7 ÷ 1/7 =
  24. 24.1/2 ÷ 3/8 =
  25. 25.2/7 × 1/2 =
  26. 26.2/5 ÷ 3/10 =
  27. 27.3/5 × 2/3 =
  28. 28.1/5 ÷ 3/10 =
  29. 29.5/12 × 1/5 =
  30. 30.1/2 ÷ 3/8 =
  31. 31.4/5 × 7/8 =
  32. 32.5/6 × 3/11 =
  33. 33.2/11 ÷ 3/11 =
  34. 34.4/9 × 1/4 =
  35. 35.6/11 × 5/8 =
  36. 36.5/9 ÷ 2/3 =
  37. 37.6/11 × 2/3 =
  38. 38.2/3 × 1/4 =
  39. 39.7/8 × 2/3 =
  40. 40.6/7 × 3/10 =

Answer key

  1. 5/14
  2. 2/3
  3. 2/15
  4. 5/4
  5. 5/3
  6. 1/5
  7. 5/6
  8. 1/5
  9. 1/11
  10. 1/2
  11. 1/3
  12. 2/3
  13. 7/12
  14. 7/12
  15. 1/5
  16. 1/2
  17. 1/3
  18. 20/11
  19. 1/3
  20. 21/44
  21. 7/15
  22. 9/8
  23. 6
  24. 4/3
  25. 1/7
  26. 4/3
  27. 2/5
  28. 2/3
  29. 1/12
  30. 4/3
  31. 7/10
  32. 5/22
  33. 2/3
  34. 1/9
  35. 15/44
  36. 5/6
  37. 4/11
  38. 1/6
  39. 7/12
  40. 9/35

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