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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 346 · 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 × 1/10 =
  2. 2.1/10 × 6/11 =
  3. 3.3/4 ÷ 1/2 =
  4. 4.1/12 ÷ 1/2 =
  5. 5.1/2 ÷ 1/4 =
  6. 6.9/10 × 5/9 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.9/11 × 1/3 =
  9. 9.4/5 × 1/10 =
  10. 10.2/3 × 1/8 =
  11. 11.3/5 ÷ 4/5 =
  12. 12.6/11 × 1/12 =
  13. 13.5/6 ÷ 5/12 =
  14. 14.2/7 × 1/2 =
  15. 15.1/6 × 9/10 =
  16. 16.2/3 ÷ 2/3 =
  17. 17.1/2 ÷ 1/2 =
  18. 18.1/9 ÷ 5/6 =
  19. 19.1/2 ÷ 3/10 =
  20. 20.7/9 × 3/4 =
  21. 21.1/2 × 4/9 =
  22. 22.2/3 × 1/2 =
  23. 23.5/8 ÷ 1/2 =
  24. 24.3/8 ÷ 3/4 =
  25. 25.1/3 ÷ 7/9 =
  26. 26.3/8 ÷ 1/2 =
  27. 27.2/7 × 1/6 =
  28. 28.3/4 × 4/11 =
  29. 29.1/8 ÷ 1/6 =
  30. 30.1/6 × 9/11 =
  31. 31.2/9 × 1/2 =
  32. 32.2/3 ÷ 1/3 =
  33. 33.2/3 ÷ 10/11 =
  34. 34.2/3 × 1/4 =
  35. 35.2/7 × 1/2 =
  36. 36.2/3 × 1/2 =
  37. 37.5/6 ÷ 1/8 =
  38. 38.1/2 × 4/9 =
  39. 39.6/7 × 1/4 =
  40. 40.5/6 ÷ 1/2 =

Answer key

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

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