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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 573 · 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. 1.2/5 × 1/8 =
  2. 2.2/5 × 5/12 =
  3. 3.2/5 ÷ 2/5 =
  4. 4.1/10 × 2/3 =
  5. 5.1/3 × 9/10 =
  6. 6.3/4 × 8/11 =
  7. 7.1/3 ÷ 1/3 =
  8. 8.3/4 × 10/11 =
  9. 9.1/2 × 6/11 =
  10. 10.2/9 × 1/8 =
  11. 11.1/2 ÷ 1/4 =
  12. 12.3/7 × 2/3 =
  13. 13.5/6 ÷ 1/4 =
  14. 14.1/6 × 4/5 =
  15. 15.1/12 ÷ 1/2 =
  16. 16.3/5 ÷ 1/5 =
  17. 17.6/7 ÷ 10/11 =
  18. 18.5/11 × 2/5 =
  19. 19.2/3 × 3/10 =
  20. 20.1/4 × 4/9 =
  21. 21.7/10 × 6/11 =
  22. 22.5/6 ÷ 2/3 =
  23. 23.2/3 × 1/6 =
  24. 24.1/4 × 8/11 =
  25. 25.1/2 ÷ 3/4 =
  26. 26.1/2 ÷ 5/8 =
  27. 27.1/3 ÷ 1/6 =
  28. 28.1/5 × 5/7 =
  29. 29.3/5 × 2/3 =
  30. 30.10/11 × 1/5 =
  31. 31.3/5 × 1/3 =
  32. 32.3/8 ÷ 3/10 =
  33. 33.2/3 × 7/8 =
  34. 34.1/5 × 10/11 =
  35. 35.3/4 × 1/3 =
  36. 36.2/3 × 1/2 =
  37. 37.1/6 ÷ 1/2 =
  38. 38.6/7 × 1/9 =
  39. 39.3/4 × 5/9 =
  40. 40.2/3 × 1/2 =

Answer key

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

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