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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 213 · 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. 1.1/8 × 4/5 =
  2. 2.8/11 × 9/10 =
  3. 3.1/3 ÷ 1/3 =
  4. 4.3/4 ÷ 1/2 =
  5. 5.1/2 × 2/5 =
  6. 6.3/10 × 1/12 =
  7. 7.1/6 × 4/5 =
  8. 8.1/8 × 2/5 =
  9. 9.7/10 × 8/11 =
  10. 10.6/7 × 1/2 =
  11. 11.1/6 × 2/3 =
  12. 12.1/5 × 5/9 =
  13. 13.3/4 ÷ 1/2 =
  14. 14.1/8 ÷ 3/4 =
  15. 15.1/2 × 2/11 =
  16. 16.1/3 ÷ 4/9 =
  17. 17.4/5 × 5/6 =
  18. 18.1/3 ÷ 2/3 =
  19. 19.1/2 ÷ 1/2 =
  20. 20.5/6 ÷ 1/6 =
  21. 21.1/2 ÷ 11/12 =
  22. 22.7/9 × 3/11 =
  23. 23.1/2 × 2/5 =
  24. 24.1/6 × 3/4 =
  25. 25.2/11 × 1/2 =
  26. 26.4/9 ÷ 1/3 =
  27. 27.1/3 × 3/4 =
  28. 28.11/12 × 3/4 =
  29. 29.9/10 × 4/11 =
  30. 30.7/10 × 2/3 =
  31. 31.1/4 × 2/5 =
  32. 32.1/6 × 2/3 =
  33. 33.1/9 × 6/11 =
  34. 34.8/9 ÷ 1/3 =
  35. 35.1/2 ÷ 3/4 =
  36. 36.1/4 × 4/5 =
  37. 37.6/11 × 1/2 =
  38. 38.1/2 × 2/11 =
  39. 39.3/4 × 2/5 =
  40. 40.2/3 ÷ 2/3 =

Answer key

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

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