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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 666 · 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. 1.2/3 ÷ 1/9 =
  2. 2.1/8 × 4/7 =
  3. 3.3/4 × 4/5 =
  4. 4.3/11 ÷ 10/11 =
  5. 5.1/2 × 2/5 =
  6. 6.6/11 ÷ 6/7 =
  7. 7.4/9 × 7/8 =
  8. 8.1/9 × 3/10 =
  9. 9.2/3 ÷ 2/3 =
  10. 10.3/7 × 1/12 =
  11. 11.2/3 ÷ 2/9 =
  12. 12.1/2 ÷ 1/2 =
  13. 13.8/11 ÷ 2/11 =
  14. 14.2/7 ÷ 2/9 =
  15. 15.1/2 × 2/3 =
  16. 16.1/12 ÷ 1/2 =
  17. 17.1/2 × 4/7 =
  18. 18.2/5 × 1/10 =
  19. 19.8/9 × 7/10 =
  20. 20.1/2 × 4/9 =
  21. 21.1/3 × 3/5 =
  22. 22.1/3 × 3/4 =
  23. 23.2/3 ÷ 7/9 =
  24. 24.4/7 × 1/6 =
  25. 25.4/5 ÷ 1/10 =
  26. 26.1/3 ÷ 5/12 =
  27. 27.1/11 ÷ 10/11 =
  28. 28.3/10 ÷ 2/5 =
  29. 29.3/4 × 2/3 =
  30. 30.2/5 × 1/2 =
  31. 31.2/3 ÷ 2/3 =
  32. 32.4/5 ÷ 3/5 =
  33. 33.4/11 × 3/4 =
  34. 34.3/4 ÷ 6/7 =
  35. 35.1/2 ÷ 5/6 =
  36. 36.3/5 × 1/3 =
  37. 37.1/2 × 8/9 =
  38. 38.1/2 × 2/3 =
  39. 39.2/5 ÷ 2/3 =
  40. 40.3/4 × 5/12 =

Answer key

  1. 6
  2. 1/14
  3. 3/5
  4. 3/10
  5. 1/5
  6. 7/11
  7. 7/18
  8. 1/30
  9. 1
  10. 1/28
  11. 3
  12. 1
  13. 4
  14. 9/7
  15. 1/3
  16. 1/6
  17. 2/7
  18. 1/25
  19. 28/45
  20. 2/9
  21. 1/5
  22. 1/4
  23. 6/7
  24. 2/21
  25. 8
  26. 4/5
  27. 1/10
  28. 3/4
  29. 1/2
  30. 1/5
  31. 1
  32. 4/3
  33. 3/11
  34. 7/8
  35. 3/5
  36. 1/5
  37. 4/9
  38. 1/3
  39. 3/5
  40. 5/16

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