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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 671 · 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 ÷ 2/7 =
  2. 2.7/8 × 5/7 =
  3. 3.7/8 ÷ 5/12 =
  4. 4.1/3 ÷ 1/6 =
  5. 5.1/2 × 4/7 =
  6. 6.1/3 × 3/4 =
  7. 7.1/4 × 2/5 =
  8. 8.1/2 × 2/9 =
  9. 9.1/2 ÷ 1/2 =
  10. 10.1/6 ÷ 1/3 =
  11. 11.5/8 × 2/9 =
  12. 12.5/6 ÷ 1/2 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.1/9 × 6/7 =
  15. 15.1/4 × 2/3 =
  16. 16.3/8 × 2/11 =
  17. 17.2/5 ÷ 8/11 =
  18. 18.1/2 ÷ 9/10 =
  19. 19.4/9 × 3/5 =
  20. 20.2/3 × 1/6 =
  21. 21.1/6 ÷ 1/2 =
  22. 22.1/6 ÷ 3/4 =
  23. 23.1/2 ÷ 3/10 =
  24. 24.5/6 × 3/11 =
  25. 25.1/3 × 3/4 =
  26. 26.2/3 × 1/2 =
  27. 27.5/8 × 6/7 =
  28. 28.2/3 × 1/6 =
  29. 29.3/5 × 1/3 =
  30. 30.5/6 ÷ 1/3 =
  31. 31.2/9 ÷ 5/9 =
  32. 32.2/5 × 1/2 =
  33. 33.2/3 ÷ 4/5 =
  34. 34.1/3 × 3/5 =
  35. 35.1/4 × 2/5 =
  36. 36.4/5 × 5/7 =
  37. 37.4/5 ÷ 6/7 =
  38. 38.4/5 ÷ 2/3 =
  39. 39.1/2 × 2/5 =
  40. 40.4/7 × 5/6 =

Answer key

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

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