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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 925 · 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. 1.1/10 ÷ 1/2 =
  2. 2.2/9 × 7/8 =
  3. 3.1/2 × 2/3 =
  4. 4.1/2 ÷ 3/8 =
  5. 5.5/12 ÷ 2/3 =
  6. 6.6/7 ÷ 6/11 =
  7. 7.1/2 × 2/7 =
  8. 8.1/2 ÷ 1/2 =
  9. 9.7/9 × 3/4 =
  10. 10.7/9 ÷ 8/9 =
  11. 11.3/4 × 1/3 =
  12. 12.1/4 ÷ 1/2 =
  13. 13.1/4 ÷ 1/2 =
  14. 14.6/7 × 7/12 =
  15. 15.5/8 ÷ 5/6 =
  16. 16.7/12 × 9/11 =
  17. 17.1/6 ÷ 4/9 =
  18. 18.1/2 × 2/9 =
  19. 19.9/10 ÷ 1/2 =
  20. 20.9/11 × 11/12 =
  21. 21.11/12 × 4/7 =
  22. 22.9/10 × 2/9 =
  23. 23.6/11 × 1/4 =
  24. 24.8/9 × 1/2 =
  25. 25.5/6 × 3/8 =
  26. 26.9/10 × 5/6 =
  27. 27.1/2 × 8/9 =
  28. 28.1/3 × 3/7 =
  29. 29.1/12 × 2/3 =
  30. 30.1/2 × 2/7 =
  31. 31.2/3 ÷ 1/3 =
  32. 32.2/3 ÷ 1/3 =
  33. 33.4/5 ÷ 2/3 =
  34. 34.1/2 ÷ 1/2 =
  35. 35.1/4 ÷ 1/2 =
  36. 36.1/4 × 4/5 =
  37. 37.1/2 ÷ 3/4 =
  38. 38.3/10 × 8/11 =
  39. 39.3/4 × 2/3 =
  40. 40.3/4 ÷ 6/11 =

Answer key

  1. 1/5
  2. 7/36
  3. 1/3
  4. 4/3
  5. 5/8
  6. 11/7
  7. 1/7
  8. 1
  9. 7/12
  10. 7/8
  11. 1/4
  12. 1/2
  13. 1/2
  14. 1/2
  15. 3/4
  16. 21/44
  17. 3/8
  18. 1/9
  19. 9/5
  20. 3/4
  21. 11/21
  22. 1/5
  23. 3/22
  24. 4/9
  25. 5/16
  26. 3/4
  27. 4/9
  28. 1/7
  29. 1/18
  30. 1/7
  31. 2
  32. 2
  33. 6/5
  34. 1
  35. 1/2
  36. 1/5
  37. 2/3
  38. 12/55
  39. 1/2
  40. 11/8

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