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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 345 · 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. 1.7/10 × 5/7 =
  2. 2.2/3 ÷ 7/9 =
  3. 3.2/9 ÷ 4/7 =
  4. 4.1/6 ÷ 3/10 =
  5. 5.1/2 ÷ 1/2 =
  6. 6.8/11 × 1/2 =
  7. 7.1/3 ÷ 5/12 =
  8. 8.8/11 × 1/2 =
  9. 9.9/10 ÷ 3/5 =
  10. 10.1/3 × 3/4 =
  11. 11.4/5 × 3/4 =
  12. 12.10/11 × 3/8 =
  13. 13.1/2 × 2/9 =
  14. 14.7/8 × 1/7 =
  15. 15.1/2 × 2/3 =
  16. 16.7/12 ÷ 1/10 =
  17. 17.9/10 × 4/5 =
  18. 18.7/11 ÷ 2/11 =
  19. 19.2/3 × 1/2 =
  20. 20.1/3 ÷ 7/12 =
  21. 21.2/3 ÷ 2/3 =
  22. 22.3/5 ÷ 3/11 =
  23. 23.1/4 × 10/11 =
  24. 24.1/9 × 3/8 =
  25. 25.4/5 × 3/4 =
  26. 26.1/6 ÷ 1/4 =
  27. 27.1/2 ÷ 7/12 =
  28. 28.2/3 ÷ 5/6 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.6/7 × 1/2 =
  31. 31.6/7 ÷ 2/5 =
  32. 32.1/4 × 2/9 =
  33. 33.1/4 ÷ 5/6 =
  34. 34.5/6 ÷ 1/3 =
  35. 35.1/2 ÷ 7/10 =
  36. 36.3/7 × 8/9 =
  37. 37.1/2 ÷ 1/2 =
  38. 38.2/5 × 1/2 =
  39. 39.2/7 ÷ 8/9 =
  40. 40.8/9 × 6/11 =

Answer key

  1. 1/2
  2. 6/7
  3. 7/18
  4. 5/9
  5. 1
  6. 4/11
  7. 4/5
  8. 4/11
  9. 3/2
  10. 1/4
  11. 3/5
  12. 15/44
  13. 1/9
  14. 1/8
  15. 1/3
  16. 35/6
  17. 18/25
  18. 7/2
  19. 1/3
  20. 4/7
  21. 1
  22. 11/5
  23. 5/22
  24. 1/24
  25. 3/5
  26. 2/3
  27. 6/7
  28. 4/5
  29. 1
  30. 3/7
  31. 15/7
  32. 1/18
  33. 3/10
  34. 5/2
  35. 5/7
  36. 8/21
  37. 1
  38. 1/5
  39. 9/28
  40. 16/33

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