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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 456 · 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. 1.7/8 × 2/5 =
  2. 2.4/7 × 3/8 =
  3. 3.1/2 ÷ 1/8 =
  4. 4.1/2 ÷ 3/4 =
  5. 5.5/8 × 2/3 =
  6. 6.2/3 ÷ 7/12 =
  7. 7.7/9 × 9/11 =
  8. 8.7/8 ÷ 1/4 =
  9. 9.4/5 × 7/12 =
  10. 10.1/2 × 2/5 =
  11. 11.1/3 ÷ 1/3 =
  12. 12.2/7 × 1/8 =
  13. 13.3/4 ÷ 7/8 =
  14. 14.2/3 × 6/7 =
  15. 15.1/3 × 3/5 =
  16. 16.1/2 × 4/7 =
  17. 17.2/3 × 5/12 =
  18. 18.3/8 × 4/9 =
  19. 19.5/6 × 2/5 =
  20. 20.1/3 ÷ 7/9 =
  21. 21.2/5 ÷ 2/5 =
  22. 22.1/4 × 2/3 =
  23. 23.1/4 × 2/3 =
  24. 24.3/10 ÷ 4/5 =
  25. 25.3/7 ÷ 3/8 =
  26. 26.2/3 ÷ 7/9 =
  27. 27.2/3 ÷ 1/3 =
  28. 28.1/3 × 3/10 =
  29. 29.4/9 ÷ 2/11 =
  30. 30.3/4 × 1/9 =
  31. 31.1/8 × 2/3 =
  32. 32.1/12 × 9/11 =
  33. 33.8/11 ÷ 1/11 =
  34. 34.5/6 ÷ 3/4 =
  35. 35.7/9 × 3/4 =
  36. 36.6/7 × 1/2 =
  37. 37.1/4 × 8/9 =
  38. 38.3/5 × 1/3 =
  39. 39.1/2 × 4/11 =
  40. 40.1/3 × 3/7 =

Answer key

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

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