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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 873 · 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. 1.2/9 × 1/10 =
  2. 2.1/4 × 2/9 =
  3. 3.2/3 × 5/6 =
  4. 4.1/2 × 10/11 =
  5. 5.3/5 ÷ 3/7 =
  6. 6.2/3 ÷ 1/3 =
  7. 7.1/6 ÷ 7/12 =
  8. 8.5/8 × 2/7 =
  9. 9.5/6 ÷ 1/2 =
  10. 10.2/3 × 1/2 =
  11. 11.3/11 × 1/6 =
  12. 12.4/5 × 1/6 =
  13. 13.3/8 ÷ 1/2 =
  14. 14.2/7 × 1/4 =
  15. 15.2/3 ÷ 4/5 =
  16. 16.3/8 × 4/5 =
  17. 17.2/3 ÷ 4/7 =
  18. 18.2/9 × 1/2 =
  19. 19.1/12 × 8/9 =
  20. 20.2/5 ÷ 2/7 =
  21. 21.5/6 ÷ 2/3 =
  22. 22.4/11 ÷ 2/3 =
  23. 23.6/11 × 1/4 =
  24. 24.1/2 ÷ 5/8 =
  25. 25.10/11 × 3/4 =
  26. 26.2/3 ÷ 5/12 =
  27. 27.1/2 × 4/9 =
  28. 28.3/4 × 4/9 =
  29. 29.1/9 × 3/7 =
  30. 30.3/4 ÷ 1/2 =
  31. 31.2/5 × 9/10 =
  32. 32.3/11 × 1/6 =
  33. 33.4/9 × 1/2 =
  34. 34.6/7 × 2/3 =
  35. 35.8/11 × 1/4 =
  36. 36.4/5 ÷ 8/9 =
  37. 37.3/11 ÷ 10/11 =
  38. 38.4/9 × 1/4 =
  39. 39.4/5 ÷ 2/9 =
  40. 40.1/3 × 3/8 =

Answer key

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

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