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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 180 · 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. 1.2/11 × 1/4 =
  2. 2.2/7 ÷ 2/5 =
  3. 3.4/5 ÷ 1/10 =
  4. 4.1/6 ÷ 1/3 =
  5. 5.8/9 × 1/2 =
  6. 6.1/12 ÷ 2/3 =
  7. 7.1/2 × 4/5 =
  8. 8.1/3 ÷ 2/3 =
  9. 9.1/10 × 5/6 =
  10. 10.1/2 ÷ 1/2 =
  11. 11.1/2 × 6/7 =
  12. 12.4/9 × 1/2 =
  13. 13.2/7 ÷ 4/11 =
  14. 14.1/4 ÷ 5/12 =
  15. 15.2/3 ÷ 2/3 =
  16. 16.1/2 ÷ 1/2 =
  17. 17.3/5 × 2/9 =
  18. 18.2/7 ÷ 2/3 =
  19. 19.6/7 × 3/10 =
  20. 20.5/6 ÷ 1/3 =
  21. 21.7/9 ÷ 5/6 =
  22. 22.3/5 × 1/3 =
  23. 23.1/6 × 3/4 =
  24. 24.1/7 ÷ 1/7 =
  25. 25.4/5 ÷ 10/11 =
  26. 26.1/9 ÷ 2/9 =
  27. 27.1/3 × 3/7 =
  28. 28.4/5 × 3/4 =
  29. 29.1/3 ÷ 1/3 =
  30. 30.1/4 ÷ 3/4 =
  31. 31.1/2 × 4/5 =
  32. 32.5/8 ÷ 1/2 =
  33. 33.1/2 ÷ 3/4 =
  34. 34.1/2 ÷ 1/6 =
  35. 35.2/3 × 3/7 =
  36. 36.1/2 × 2/5 =
  37. 37.2/3 × 7/12 =
  38. 38.3/4 ÷ 1/10 =
  39. 39.1/4 × 2/3 =
  40. 40.5/6 ÷ 1/2 =

Answer key

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

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