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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 415 · 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. 1.6/7 × 1/2 =
  2. 2.3/5 × 5/12 =
  3. 3.1/9 ÷ 1/3 =
  4. 4.3/5 × 1/3 =
  5. 5.2/3 × 3/5 =
  6. 6.1/2 × 10/11 =
  7. 7.2/11 × 1/4 =
  8. 8.3/8 × 6/7 =
  9. 9.3/4 × 1/9 =
  10. 10.1/2 ÷ 3/10 =
  11. 11.3/4 × 2/5 =
  12. 12.8/11 × 1/10 =
  13. 13.2/3 ÷ 1/6 =
  14. 14.1/2 ÷ 1/6 =
  15. 15.3/10 × 1/9 =
  16. 16.1/3 ÷ 7/9 =
  17. 17.1/3 × 3/4 =
  18. 18.2/3 × 1/2 =
  19. 19.5/12 × 3/5 =
  20. 20.1/4 ÷ 7/10 =
  21. 21.1/2 × 4/11 =
  22. 22.5/6 × 3/11 =
  23. 23.5/6 × 2/5 =
  24. 24.3/4 × 2/3 =
  25. 25.1/2 ÷ 1/2 =
  26. 26.1/2 × 8/11 =
  27. 27.5/11 ÷ 4/11 =
  28. 28.9/10 × 4/7 =
  29. 29.3/10 ÷ 1/4 =
  30. 30.4/5 ÷ 2/3 =
  31. 31.2/5 ÷ 6/11 =
  32. 32.1/3 × 3/8 =
  33. 33.4/9 ÷ 4/11 =
  34. 34.2/3 × 1/2 =
  35. 35.1/3 × 3/4 =
  36. 36.5/11 ÷ 5/9 =
  37. 37.8/9 × 1/6 =
  38. 38.2/3 × 3/4 =
  39. 39.6/7 × 1/3 =
  40. 40.2/11 × 1/2 =

Answer key

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

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