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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 600 · 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. 1.1/2 ÷ 3/10 =
  2. 2.2/5 ÷ 3/5 =
  3. 3.1/12 ÷ 3/4 =
  4. 4.3/4 ÷ 1/2 =
  5. 5.2/3 ÷ 10/11 =
  6. 6.11/12 × 4/5 =
  7. 7.2/3 × 7/8 =
  8. 8.9/10 ÷ 1/12 =
  9. 9.3/7 × 1/3 =
  10. 10.1/6 × 3/5 =
  11. 11.1/8 ÷ 5/8 =
  12. 12.1/3 × 3/4 =
  13. 13.7/12 ÷ 2/3 =
  14. 14.4/11 ÷ 10/11 =
  15. 15.4/5 ÷ 4/5 =
  16. 16.5/9 ÷ 1/6 =
  17. 17.4/11 ÷ 4/7 =
  18. 18.3/4 ÷ 1/2 =
  19. 19.7/12 × 3/7 =
  20. 20.7/9 ÷ 2/3 =
  21. 21.9/10 × 1/3 =
  22. 22.9/10 × 11/12 =
  23. 23.1/12 × 2/3 =
  24. 24.2/5 ÷ 6/7 =
  25. 25.1/4 ÷ 1/2 =
  26. 26.7/8 × 2/7 =
  27. 27.1/4 ÷ 1/2 =
  28. 28.2/5 × 1/2 =
  29. 29.1/8 × 2/3 =
  30. 30.7/12 × 4/7 =
  31. 31.2/3 × 3/4 =
  32. 32.1/12 ÷ 2/3 =
  33. 33.1/6 ÷ 3/4 =
  34. 34.5/9 × 6/7 =
  35. 35.5/6 ÷ 1/9 =
  36. 36.2/3 ÷ 2/9 =
  37. 37.3/4 × 2/11 =
  38. 38.7/8 ÷ 3/4 =
  39. 39.5/9 × 9/10 =
  40. 40.5/9 × 4/5 =

Answer key

  1. 5/3
  2. 2/3
  3. 1/9
  4. 3/2
  5. 11/15
  6. 11/15
  7. 7/12
  8. 54/5
  9. 1/7
  10. 1/10
  11. 1/5
  12. 1/4
  13. 7/8
  14. 2/5
  15. 1
  16. 10/3
  17. 7/11
  18. 3/2
  19. 1/4
  20. 7/6
  21. 3/10
  22. 33/40
  23. 1/18
  24. 7/15
  25. 1/2
  26. 1/4
  27. 1/2
  28. 1/5
  29. 1/12
  30. 1/3
  31. 1/2
  32. 1/8
  33. 2/9
  34. 10/21
  35. 15/2
  36. 3
  37. 3/22
  38. 7/6
  39. 1/2
  40. 4/9

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