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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 258 · 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 × 5/7 =
  2. 2.3/7 × 1/3 =
  3. 3.1/6 ÷ 9/10 =
  4. 4.3/11 ÷ 5/11 =
  5. 5.9/10 × 2/5 =
  6. 6.1/4 ÷ 1/2 =
  7. 7.2/5 × 1/2 =
  8. 8.1/3 ÷ 1/3 =
  9. 9.2/3 ÷ 1/6 =
  10. 10.2/3 × 5/6 =
  11. 11.5/6 × 9/11 =
  12. 12.1/4 × 2/11 =
  13. 13.2/3 × 6/7 =
  14. 14.2/5 × 1/2 =
  15. 15.2/5 ÷ 2/3 =
  16. 16.3/5 × 5/6 =
  17. 17.1/3 × 6/7 =
  18. 18.5/6 ÷ 1/3 =
  19. 19.3/10 × 1/6 =
  20. 20.1/4 ÷ 1/8 =
  21. 21.1/4 × 2/3 =
  22. 22.1/2 ÷ 5/6 =
  23. 23.5/6 ÷ 1/4 =
  24. 24.1/9 × 3/5 =
  25. 25.2/3 ÷ 2/9 =
  26. 26.1/2 × 2/5 =
  27. 27.1/2 × 8/11 =
  28. 28.1/3 × 3/11 =
  29. 29.1/9 × 3/4 =
  30. 30.2/5 × 1/2 =
  31. 31.2/3 × 3/11 =
  32. 32.5/6 ÷ 1/2 =
  33. 33.2/9 ÷ 4/11 =
  34. 34.3/4 × 4/7 =
  35. 35.5/9 ÷ 1/3 =
  36. 36.2/5 × 1/10 =
  37. 37.2/3 ÷ 4/9 =
  38. 38.3/4 × 4/5 =
  39. 39.1/3 × 3/4 =
  40. 40.1/3 ÷ 5/6 =

Answer key

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

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