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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 830 · 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. 1.5/9 ÷ 10/11 =
  2. 2.1/12 ÷ 1/6 =
  3. 3.3/5 × 5/6 =
  4. 4.1/2 ÷ 1/2 =
  5. 5.3/4 × 6/11 =
  6. 6.4/11 × 3/8 =
  7. 7.1/8 × 2/11 =
  8. 8.4/5 × 1/2 =
  9. 9.1/4 × 4/5 =
  10. 10.7/12 ÷ 1/9 =
  11. 11.6/7 ÷ 4/7 =
  12. 12.1/10 × 5/7 =
  13. 13.1/9 ÷ 2/3 =
  14. 14.2/3 × 1/10 =
  15. 15.1/2 ÷ 1/2 =
  16. 16.2/3 ÷ 2/3 =
  17. 17.5/6 ÷ 1/3 =
  18. 18.6/7 × 1/2 =
  19. 19.6/7 × 3/4 =
  20. 20.2/7 × 1/2 =
  21. 21.1/2 × 2/7 =
  22. 22.5/12 × 1/5 =
  23. 23.2/3 ÷ 1/3 =
  24. 24.11/12 ÷ 2/3 =
  25. 25.2/11 ÷ 6/7 =
  26. 26.7/8 ÷ 1/2 =
  27. 27.4/5 × 1/4 =
  28. 28.3/4 × 4/5 =
  29. 29.5/12 × 9/10 =
  30. 30.6/7 × 1/10 =
  31. 31.10/11 ÷ 2/3 =
  32. 32.5/6 × 3/8 =
  33. 33.1/2 ÷ 5/6 =
  34. 34.1/8 × 2/3 =
  35. 35.3/4 × 7/12 =
  36. 36.2/3 × 1/2 =
  37. 37.1/3 × 3/4 =
  38. 38.5/7 × 7/12 =
  39. 39.1/4 ÷ 1/2 =
  40. 40.2/9 × 1/8 =

Answer key

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

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