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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 895 · 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. 1.4/7 × 7/8 =
  2. 2.8/9 × 1/10 =
  3. 3.1/2 × 2/3 =
  4. 4.3/4 × 1/3 =
  5. 5.5/8 ÷ 1/2 =
  6. 6.8/11 × 1/2 =
  7. 7.2/11 × 1/6 =
  8. 8.3/7 ÷ 3/7 =
  9. 9.1/9 × 3/7 =
  10. 10.1/2 × 2/11 =
  11. 11.1/3 × 3/5 =
  12. 12.3/8 ÷ 3/7 =
  13. 13.9/10 ÷ 1/6 =
  14. 14.3/4 ÷ 3/10 =
  15. 15.1/2 × 2/5 =
  16. 16.3/8 × 2/3 =
  17. 17.1/2 × 8/9 =
  18. 18.1/10 ÷ 1/2 =
  19. 19.2/9 × 1/2 =
  20. 20.1/3 ÷ 7/9 =
  21. 21.1/2 ÷ 1/12 =
  22. 22.1/3 ÷ 4/9 =
  23. 23.4/5 × 3/4 =
  24. 24.8/11 × 1/10 =
  25. 25.1/2 ÷ 3/4 =
  26. 26.8/11 × 3/4 =
  27. 27.7/8 ÷ 5/6 =
  28. 28.1/2 × 2/5 =
  29. 29.4/9 ÷ 5/9 =
  30. 30.3/5 ÷ 1/5 =
  31. 31.3/4 ÷ 1/4 =
  32. 32.1/3 × 9/11 =
  33. 33.1/2 × 2/9 =
  34. 34.2/3 ÷ 2/11 =
  35. 35.1/2 × 6/7 =
  36. 36.1/3 ÷ 1/3 =
  37. 37.5/12 × 2/3 =
  38. 38.1/12 ÷ 1/2 =
  39. 39.6/7 ÷ 4/5 =
  40. 40.1/2 ÷ 3/4 =

Answer key

  1. 1/2
  2. 4/45
  3. 1/3
  4. 1/4
  5. 5/4
  6. 4/11
  7. 1/33
  8. 1
  9. 1/21
  10. 1/11
  11. 1/5
  12. 7/8
  13. 27/5
  14. 5/2
  15. 1/5
  16. 1/4
  17. 4/9
  18. 1/5
  19. 1/9
  20. 3/7
  21. 6
  22. 3/4
  23. 3/5
  24. 4/55
  25. 2/3
  26. 6/11
  27. 21/20
  28. 1/5
  29. 4/5
  30. 3
  31. 3
  32. 3/11
  33. 1/9
  34. 11/3
  35. 3/7
  36. 1
  37. 5/18
  38. 1/6
  39. 15/14
  40. 2/3

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