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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 855 · 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. 1.1/2 × 4/11 =
  2. 2.2/3 × 1/4 =
  3. 3.3/4 × 1/3 =
  4. 4.1/2 × 8/9 =
  5. 5.2/3 ÷ 1/3 =
  6. 6.7/8 ÷ 1/6 =
  7. 7.6/7 × 1/3 =
  8. 8.1/2 × 4/5 =
  9. 9.1/3 × 3/4 =
  10. 10.1/8 ÷ 7/8 =
  11. 11.8/9 ÷ 8/9 =
  12. 12.3/10 ÷ 7/12 =
  13. 13.2/3 × 1/2 =
  14. 14.2/5 × 7/12 =
  15. 15.4/5 × 3/4 =
  16. 16.1/4 ÷ 1/2 =
  17. 17.1/6 × 4/7 =
  18. 18.2/3 × 3/5 =
  19. 19.3/4 × 4/11 =
  20. 20.6/7 × 3/4 =
  21. 21.1/2 ÷ 3/10 =
  22. 22.4/5 × 1/4 =
  23. 23.3/4 × 2/7 =
  24. 24.1/12 ÷ 1/2 =
  25. 25.7/12 ÷ 1/4 =
  26. 26.9/10 ÷ 3/4 =
  27. 27.1/5 × 5/6 =
  28. 28.1/6 × 2/5 =
  29. 29.1/6 × 3/10 =
  30. 30.3/4 ÷ 7/8 =
  31. 31.4/5 × 1/2 =
  32. 32.1/3 ÷ 1/3 =
  33. 33.1/4 × 8/11 =
  34. 34.7/12 × 3/7 =
  35. 35.1/4 × 2/3 =
  36. 36.1/4 × 2/3 =
  37. 37.6/7 × 9/10 =
  38. 38.2/3 × 1/4 =
  39. 39.1/12 × 8/11 =
  40. 40.1/3 × 3/4 =

Answer key

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

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