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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 890 · 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. 1.2/3 × 1/8 =
  2. 2.2/3 × 5/8 =
  3. 3.7/9 ÷ 7/10 =
  4. 4.3/10 ÷ 1/2 =
  5. 5.3/4 × 1/3 =
  6. 6.1/2 ÷ 1/2 =
  7. 7.3/5 × 7/9 =
  8. 8.3/10 ÷ 1/2 =
  9. 9.3/4 ÷ 1/6 =
  10. 10.2/3 × 3/4 =
  11. 11.3/5 ÷ 4/5 =
  12. 12.1/2 ÷ 1/4 =
  13. 13.1/2 ÷ 1/12 =
  14. 14.5/6 ÷ 2/3 =
  15. 15.3/10 × 2/3 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.3/5 × 1/3 =
  18. 18.6/7 × 1/2 =
  19. 19.3/5 × 1/3 =
  20. 20.1/6 × 2/11 =
  21. 21.2/3 ÷ 5/6 =
  22. 22.1/4 × 2/3 =
  23. 23.7/8 ÷ 1/8 =
  24. 24.2/3 ÷ 6/7 =
  25. 25.6/11 ÷ 3/7 =
  26. 26.1/4 × 2/5 =
  27. 27.5/12 × 1/10 =
  28. 28.1/2 ÷ 1/4 =
  29. 29.1/2 × 4/7 =
  30. 30.4/5 × 1/2 =
  31. 31.7/8 ÷ 1/12 =
  32. 32.4/5 ÷ 2/11 =
  33. 33.5/8 ÷ 5/7 =
  34. 34.1/8 ÷ 1/2 =
  35. 35.11/12 × 8/9 =
  36. 36.1/3 × 3/4 =
  37. 37.1/2 ÷ 1/4 =
  38. 38.1/2 × 8/11 =
  39. 39.6/11 × 1/4 =
  40. 40.7/8 ÷ 1/2 =

Answer key

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

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