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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 377 · 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. 1.5/8 × 6/7 =
  2. 2.1/5 × 5/6 =
  3. 3.1/2 ÷ 1/2 =
  4. 4.5/9 × 3/4 =
  5. 5.1/2 × 2/3 =
  6. 6.1/12 × 3/8 =
  7. 7.1/12 ÷ 2/3 =
  8. 8.1/3 ÷ 1/9 =
  9. 9.5/6 × 3/10 =
  10. 10.1/2 × 2/3 =
  11. 11.2/3 × 1/2 =
  12. 12.2/9 × 9/10 =
  13. 13.10/11 ÷ 2/3 =
  14. 14.2/3 × 1/2 =
  15. 15.4/5 ÷ 9/10 =
  16. 16.1/2 ÷ 1/4 =
  17. 17.9/10 × 4/7 =
  18. 18.3/4 ÷ 3/5 =
  19. 19.4/5 ÷ 3/5 =
  20. 20.3/7 ÷ 9/11 =
  21. 21.2/5 ÷ 1/5 =
  22. 22.5/6 ÷ 1/3 =
  23. 23.3/4 × 1/6 =
  24. 24.3/7 × 1/3 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.2/3 × 1/4 =
  27. 27.2/7 × 1/2 =
  28. 28.3/8 ÷ 1/2 =
  29. 29.1/2 × 2/9 =
  30. 30.1/12 × 2/3 =
  31. 31.2/7 × 3/8 =
  32. 32.2/3 × 7/12 =
  33. 33.7/10 × 2/3 =
  34. 34.1/6 ÷ 8/9 =
  35. 35.1/2 ÷ 11/12 =
  36. 36.1/6 ÷ 5/12 =
  37. 37.7/10 ÷ 1/4 =
  38. 38.1/6 ÷ 1/2 =
  39. 39.3/4 × 8/9 =
  40. 40.2/3 × 1/2 =

Answer key

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

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