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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 488 · 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. 1.5/9 × 1/5 =
  2. 2.5/12 × 3/11 =
  3. 3.4/5 × 1/6 =
  4. 4.1/2 × 2/5 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.1/2 ÷ 1/2 =
  7. 7.4/9 × 1/2 =
  8. 8.1/4 ÷ 7/10 =
  9. 9.5/8 ÷ 1/6 =
  10. 10.2/11 × 1/12 =
  11. 11.1/2 ÷ 1/4 =
  12. 12.6/7 ÷ 1/7 =
  13. 13.1/6 ÷ 1/2 =
  14. 14.4/5 × 3/8 =
  15. 15.4/5 ÷ 1/5 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.2/3 × 6/7 =
  18. 18.1/4 ÷ 1/2 =
  19. 19.3/4 × 2/11 =
  20. 20.1/4 ÷ 1/2 =
  21. 21.1/4 × 2/3 =
  22. 22.4/11 ÷ 2/9 =
  23. 23.3/4 × 2/3 =
  24. 24.3/4 × 1/3 =
  25. 25.1/6 × 8/9 =
  26. 26.1/2 ÷ 1/2 =
  27. 27.1/4 ÷ 1/2 =
  28. 28.1/6 ÷ 1/3 =
  29. 29.10/11 ÷ 2/3 =
  30. 30.5/11 × 1/10 =
  31. 31.2/3 ÷ 2/5 =
  32. 32.4/5 ÷ 1/5 =
  33. 33.5/9 × 3/10 =
  34. 34.6/11 × 2/3 =
  35. 35.4/7 ÷ 2/3 =
  36. 36.6/7 ÷ 4/7 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.1/2 × 2/3 =
  39. 39.6/11 × 2/3 =
  40. 40.3/4 × 6/7 =

Answer key

  1. 1/9
  2. 5/44
  3. 2/15
  4. 1/5
  5. 1
  6. 1
  7. 2/9
  8. 5/14
  9. 15/4
  10. 1/66
  11. 2
  12. 6
  13. 1/3
  14. 3/10
  15. 4
  16. 1
  17. 4/7
  18. 1/2
  19. 3/22
  20. 1/2
  21. 1/6
  22. 18/11
  23. 1/2
  24. 1/4
  25. 4/27
  26. 1
  27. 1/2
  28. 1/2
  29. 15/11
  30. 1/22
  31. 5/3
  32. 4
  33. 1/6
  34. 4/11
  35. 6/7
  36. 3/2
  37. 1
  38. 1/3
  39. 4/11
  40. 9/14

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