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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 650 · 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. 1.7/10 ÷ 11/12 =
  2. 2.3/4 ÷ 1/4 =
  3. 3.1/3 ÷ 4/9 =
  4. 4.2/3 × 3/5 =
  5. 5.6/7 × 1/2 =
  6. 6.2/3 ÷ 2/3 =
  7. 7.2/7 ÷ 4/11 =
  8. 8.1/2 ÷ 1/8 =
  9. 9.1/2 ÷ 11/12 =
  10. 10.1/5 × 5/7 =
  11. 11.1/2 ÷ 1/4 =
  12. 12.7/10 × 2/3 =
  13. 13.1/2 ÷ 1/8 =
  14. 14.2/3 × 1/8 =
  15. 15.2/9 ÷ 2/3 =
  16. 16.3/4 × 1/3 =
  17. 17.1/4 ÷ 1/2 =
  18. 18.1/6 ÷ 1/12 =
  19. 19.5/6 × 3/4 =
  20. 20.6/11 ÷ 2/5 =
  21. 21.3/10 ÷ 1/2 =
  22. 22.1/6 × 2/3 =
  23. 23.1/3 ÷ 2/3 =
  24. 24.1/2 × 2/11 =
  25. 25.1/6 × 9/10 =
  26. 26.2/5 × 1/6 =
  27. 27.4/5 × 1/8 =
  28. 28.1/2 ÷ 1/2 =
  29. 29.3/8 ÷ 3/4 =
  30. 30.2/3 × 1/8 =
  31. 31.6/11 × 1/6 =
  32. 32.8/11 × 1/8 =
  33. 33.1/4 × 2/5 =
  34. 34.7/12 × 2/3 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.3/5 ÷ 1/5 =
  37. 37.5/6 ÷ 1/4 =
  38. 38.2/5 ÷ 2/11 =
  39. 39.1/2 × 2/3 =
  40. 40.1/6 ÷ 1/3 =

Answer key

  1. 42/55
  2. 3
  3. 3/4
  4. 2/5
  5. 3/7
  6. 1
  7. 11/14
  8. 4
  9. 6/11
  10. 1/7
  11. 2
  12. 7/15
  13. 4
  14. 1/12
  15. 1/3
  16. 1/4
  17. 1/2
  18. 2
  19. 5/8
  20. 15/11
  21. 3/5
  22. 1/9
  23. 1/2
  24. 1/11
  25. 3/20
  26. 1/15
  27. 1/10
  28. 1
  29. 1/2
  30. 1/12
  31. 1/11
  32. 1/11
  33. 1/10
  34. 7/18
  35. 1
  36. 3
  37. 10/3
  38. 11/5
  39. 1/3
  40. 1/2

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