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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 799 · 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. 1.9/10 × 10/11 =
  2. 2.1/3 ÷ 1/3 =
  3. 3.8/9 × 3/4 =
  4. 4.6/7 × 3/8 =
  5. 5.3/4 ÷ 7/12 =
  6. 6.4/11 × 5/6 =
  7. 7.1/2 ÷ 3/10 =
  8. 8.3/4 × 5/9 =
  9. 9.4/11 × 3/4 =
  10. 10.1/9 ÷ 1/6 =
  11. 11.1/6 ÷ 1/3 =
  12. 12.4/7 × 1/4 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.7/8 × 4/5 =
  15. 15.1/6 × 3/4 =
  16. 16.1/2 ÷ 1/4 =
  17. 17.3/8 ÷ 1/10 =
  18. 18.1/9 × 3/4 =
  19. 19.7/9 × 3/5 =
  20. 20.2/5 ÷ 4/7 =
  21. 21.10/11 × 3/10 =
  22. 22.7/12 ÷ 1/2 =
  23. 23.1/2 ÷ 5/6 =
  24. 24.6/7 × 1/2 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.1/2 ÷ 3/4 =
  27. 27.2/3 × 1/2 =
  28. 28.3/4 ÷ 1/4 =
  29. 29.3/4 ÷ 1/2 =
  30. 30.3/4 × 1/3 =
  31. 31.3/4 ÷ 3/4 =
  32. 32.4/7 ÷ 4/5 =
  33. 33.5/12 × 3/8 =
  34. 34.4/9 ÷ 4/5 =
  35. 35.11/12 × 1/11 =
  36. 36.8/11 × 1/4 =
  37. 37.11/12 ÷ 1/4 =
  38. 38.5/9 ÷ 2/3 =
  39. 39.1/3 ÷ 2/3 =
  40. 40.5/8 × 8/11 =

Answer key

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

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