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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 856 · 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. 1.8/11 × 1/4 =
  2. 2.7/12 × 2/5 =
  3. 3.1/2 ÷ 1/8 =
  4. 4.3/4 ÷ 5/6 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.4/11 × 1/4 =
  7. 7.1/2 × 8/9 =
  8. 8.4/9 × 1/2 =
  9. 9.1/4 × 2/3 =
  10. 10.2/7 × 1/2 =
  11. 11.5/9 × 1/5 =
  12. 12.1/2 × 2/3 =
  13. 13.4/5 × 1/2 =
  14. 14.1/3 × 3/11 =
  15. 15.7/8 × 3/7 =
  16. 16.3/4 × 1/3 =
  17. 17.3/10 × 2/3 =
  18. 18.8/9 × 1/2 =
  19. 19.3/10 ÷ 1/5 =
  20. 20.1/7 ÷ 2/7 =
  21. 21.3/5 ÷ 1/10 =
  22. 22.1/2 ÷ 5/6 =
  23. 23.5/6 ÷ 2/3 =
  24. 24.1/3 ÷ 2/3 =
  25. 25.1/6 × 3/4 =
  26. 26.1/2 × 6/7 =
  27. 27.1/4 × 2/9 =
  28. 28.4/5 ÷ 2/3 =
  29. 29.1/2 × 2/3 =
  30. 30.7/10 ÷ 1/2 =
  31. 31.1/2 ÷ 5/8 =
  32. 32.1/2 ÷ 5/12 =
  33. 33.4/5 ÷ 10/11 =
  34. 34.2/3 × 1/2 =
  35. 35.7/8 ÷ 7/10 =
  36. 36.1/10 ÷ 3/10 =
  37. 37.1/2 × 10/11 =
  38. 38.3/4 ÷ 1/2 =
  39. 39.9/10 × 1/12 =
  40. 40.1/2 ÷ 1/2 =

Answer key

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

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