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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 166 · 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. 1.5/6 ÷ 1/4 =
  2. 2.2/5 ÷ 4/9 =
  3. 3.2/3 ÷ 1/3 =
  4. 4.4/5 × 1/2 =
  5. 5.2/3 × 7/8 =
  6. 6.1/2 × 2/9 =
  7. 7.4/5 × 1/2 =
  8. 8.1/3 ÷ 2/9 =
  9. 9.5/12 ÷ 1/3 =
  10. 10.2/3 ÷ 5/6 =
  11. 11.4/5 × 5/8 =
  12. 12.1/2 ÷ 5/6 =
  13. 13.2/3 ÷ 1/12 =
  14. 14.3/5 × 1/3 =
  15. 15.3/5 × 5/12 =
  16. 16.1/2 × 2/3 =
  17. 17.2/3 × 1/2 =
  18. 18.8/9 × 1/4 =
  19. 19.1/4 × 2/5 =
  20. 20.1/2 × 2/3 =
  21. 21.2/3 × 1/4 =
  22. 22.1/4 × 10/11 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.3/4 × 1/3 =
  25. 25.6/7 × 1/12 =
  26. 26.5/8 ÷ 1/12 =
  27. 27.9/10 × 1/3 =
  28. 28.4/7 × 3/8 =
  29. 29.1/4 ÷ 1/4 =
  30. 30.4/5 ÷ 4/5 =
  31. 31.5/12 × 6/11 =
  32. 32.1/2 ÷ 1/2 =
  33. 33.1/4 ÷ 7/8 =
  34. 34.2/3 ÷ 6/7 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.1/4 × 10/11 =
  37. 37.3/4 × 1/9 =
  38. 38.5/7 × 3/5 =
  39. 39.1/3 ÷ 1/3 =
  40. 40.2/3 × 3/10 =

Answer key

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

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