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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 81 · 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. 1.8/11 × 1/2 =
  2. 2.3/8 ÷ 1/2 =
  3. 3.5/6 × 9/11 =
  4. 4.9/11 × 1/6 =
  5. 5.2/9 ÷ 1/3 =
  6. 6.1/2 ÷ 1/4 =
  7. 7.2/9 × 3/5 =
  8. 8.1/5 ÷ 4/5 =
  9. 9.3/8 × 5/6 =
  10. 10.1/2 ÷ 1/2 =
  11. 11.1/2 × 2/9 =
  12. 12.2/3 ÷ 1/6 =
  13. 13.1/2 ÷ 1/2 =
  14. 14.1/7 ÷ 1/7 =
  15. 15.6/7 ÷ 2/5 =
  16. 16.4/5 ÷ 4/5 =
  17. 17.1/3 ÷ 1/3 =
  18. 18.1/2 × 2/3 =
  19. 19.4/5 × 5/7 =
  20. 20.3/4 × 7/12 =
  21. 21.5/6 ÷ 7/10 =
  22. 22.2/5 ÷ 2/3 =
  23. 23.2/5 × 7/10 =
  24. 24.5/9 ÷ 2/3 =
  25. 25.4/9 × 5/8 =
  26. 26.2/3 × 1/8 =
  27. 27.1/6 × 3/5 =
  28. 28.5/6 × 2/5 =
  29. 29.1/2 × 2/9 =
  30. 30.5/7 ÷ 6/7 =
  31. 31.7/12 ÷ 5/9 =
  32. 32.2/5 × 3/4 =
  33. 33.1/4 ÷ 1/12 =
  34. 34.2/3 × 1/4 =
  35. 35.4/5 × 7/12 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.1/2 × 2/3 =
  38. 38.2/3 ÷ 2/3 =
  39. 39.7/11 × 2/7 =
  40. 40.1/6 × 3/8 =

Answer key

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

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