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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 385 · 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. 1.4/5 × 5/8 =
  2. 2.1/2 × 4/9 =
  3. 3.9/10 ÷ 1/4 =
  4. 4.3/10 × 2/3 =
  5. 5.1/3 ÷ 1/3 =
  6. 6.1/10 ÷ 2/5 =
  7. 7.10/11 × 1/4 =
  8. 8.3/4 ÷ 3/5 =
  9. 9.3/4 ÷ 3/4 =
  10. 10.2/5 × 1/2 =
  11. 11.5/6 ÷ 3/10 =
  12. 12.1/3 ÷ 2/3 =
  13. 13.3/4 × 6/7 =
  14. 14.1/3 × 3/5 =
  15. 15.5/7 ÷ 2/7 =
  16. 16.1/2 × 2/7 =
  17. 17.7/12 × 3/5 =
  18. 18.5/8 × 10/11 =
  19. 19.1/2 ÷ 1/2 =
  20. 20.6/11 × 3/4 =
  21. 21.5/11 ÷ 5/7 =
  22. 22.6/11 × 1/2 =
  23. 23.6/7 ÷ 2/3 =
  24. 24.10/11 × 1/2 =
  25. 25.9/10 ÷ 1/6 =
  26. 26.4/5 ÷ 3/5 =
  27. 27.2/9 ÷ 8/9 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.1/2 × 4/5 =
  30. 30.1/8 × 2/3 =
  31. 31.5/6 ÷ 7/9 =
  32. 32.2/3 × 5/8 =
  33. 33.3/5 × 1/3 =
  34. 34.1/2 × 2/5 =
  35. 35.3/5 ÷ 4/5 =
  36. 36.2/3 ÷ 4/9 =
  37. 37.5/6 × 7/10 =
  38. 38.2/5 × 10/11 =
  39. 39.1/2 × 2/3 =
  40. 40.1/2 ÷ 3/4 =

Answer key

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

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