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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 503 · 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 × 1/4 =
  2. 2.1/2 × 10/11 =
  3. 3.9/11 × 8/9 =
  4. 4.2/3 × 6/7 =
  5. 5.1/4 ÷ 1/4 =
  6. 6.2/11 ÷ 2/9 =
  7. 7.2/3 × 1/4 =
  8. 8.2/9 ÷ 1/3 =
  9. 9.3/8 ÷ 3/5 =
  10. 10.1/2 ÷ 11/12 =
  11. 11.3/4 ÷ 1/2 =
  12. 12.2/11 × 1/2 =
  13. 13.1/6 × 4/5 =
  14. 14.1/6 ÷ 5/6 =
  15. 15.5/12 ÷ 2/3 =
  16. 16.2/3 × 3/7 =
  17. 17.6/7 ÷ 1/7 =
  18. 18.3/5 × 5/6 =
  19. 19.1/12 ÷ 2/3 =
  20. 20.1/12 × 3/10 =
  21. 21.2/5 × 1/2 =
  22. 22.2/5 × 1/8 =
  23. 23.1/2 ÷ 3/4 =
  24. 24.2/3 × 1/2 =
  25. 25.1/3 ÷ 1/6 =
  26. 26.1/12 × 3/8 =
  27. 27.3/7 ÷ 3/4 =
  28. 28.1/9 ÷ 7/9 =
  29. 29.1/3 ÷ 1/3 =
  30. 30.1/10 ÷ 7/8 =
  31. 31.5/6 × 3/11 =
  32. 32.10/11 × 3/10 =
  33. 33.6/7 × 1/12 =
  34. 34.1/2 × 2/3 =
  35. 35.2/9 × 3/7 =
  36. 36.2/3 ÷ 5/6 =
  37. 37.3/4 × 2/3 =
  38. 38.1/4 ÷ 3/4 =
  39. 39.3/4 × 7/12 =
  40. 40.1/12 ÷ 1/3 =

Answer key

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

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