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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 520 · 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. 1.10/11 × 1/4 =
  2. 2.1/2 × 4/5 =
  3. 3.3/4 × 1/3 =
  4. 4.5/9 ÷ 7/12 =
  5. 5.1/2 ÷ 7/8 =
  6. 6.1/2 ÷ 3/10 =
  7. 7.2/9 × 1/4 =
  8. 8.7/10 ÷ 7/11 =
  9. 9.2/3 ÷ 2/3 =
  10. 10.7/9 ÷ 1/3 =
  11. 11.1/2 ÷ 3/4 =
  12. 12.1/6 ÷ 2/3 =
  13. 13.7/12 ÷ 1/4 =
  14. 14.8/9 × 6/7 =
  15. 15.7/8 × 8/11 =
  16. 16.2/3 × 3/4 =
  17. 17.7/8 × 4/5 =
  18. 18.1/3 ÷ 8/9 =
  19. 19.8/11 × 1/2 =
  20. 20.3/5 × 8/9 =
  21. 21.8/9 × 1/8 =
  22. 22.1/11 ÷ 1/11 =
  23. 23.4/7 × 1/6 =
  24. 24.1/2 ÷ 3/4 =
  25. 25.6/7 ÷ 8/9 =
  26. 26.1/2 ÷ 3/4 =
  27. 27.5/8 × 2/5 =
  28. 28.3/7 × 1/6 =
  29. 29.6/7 ÷ 4/5 =
  30. 30.3/7 × 1/3 =
  31. 31.1/2 × 4/11 =
  32. 32.1/2 ÷ 1/2 =
  33. 33.1/3 ÷ 7/9 =
  34. 34.3/5 × 5/11 =
  35. 35.1/2 × 2/5 =
  36. 36.8/9 × 1/2 =
  37. 37.6/7 × 1/2 =
  38. 38.1/3 ÷ 1/3 =
  39. 39.1/8 × 2/11 =
  40. 40.2/3 ÷ 4/9 =

Answer key

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

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