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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 812 · 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. 1.2/7 × 3/8 =
  2. 2.1/2 × 4/5 =
  3. 3.1/6 ÷ 9/10 =
  4. 4.8/9 × 1/4 =
  5. 5.1/4 ÷ 5/6 =
  6. 6.3/7 ÷ 5/7 =
  7. 7.2/5 × 1/2 =
  8. 8.1/4 ÷ 3/4 =
  9. 9.1/2 ÷ 9/10 =
  10. 10.1/9 × 3/7 =
  11. 11.5/12 ÷ 1/12 =
  12. 12.4/11 × 1/4 =
  13. 13.9/10 ÷ 1/8 =
  14. 14.1/2 × 2/7 =
  15. 15.1/3 ÷ 2/3 =
  16. 16.1/4 × 2/7 =
  17. 17.2/3 ÷ 2/3 =
  18. 18.3/4 ÷ 1/4 =
  19. 19.6/11 × 1/12 =
  20. 20.1/2 ÷ 1/12 =
  21. 21.2/5 ÷ 2/5 =
  22. 22.1/2 ÷ 1/8 =
  23. 23.4/7 ÷ 5/7 =
  24. 24.1/2 ÷ 1/2 =
  25. 25.1/2 ÷ 1/6 =
  26. 26.1/6 ÷ 1/2 =
  27. 27.1/2 ÷ 1/2 =
  28. 28.7/10 ÷ 4/5 =
  29. 29.11/12 × 3/4 =
  30. 30.1/6 × 3/5 =
  31. 31.2/3 × 9/11 =
  32. 32.5/12 × 2/3 =
  33. 33.1/4 × 2/3 =
  34. 34.3/5 ÷ 2/5 =
  35. 35.1/2 × 4/11 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.4/11 × 1/2 =
  38. 38.2/3 × 7/8 =
  39. 39.1/2 × 2/7 =
  40. 40.9/10 ÷ 1/4 =

Answer key

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

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