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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 575 · 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. 1.2/3 × 7/10 =
  2. 2.8/9 × 1/2 =
  3. 3.1/3 ÷ 1/3 =
  4. 4.1/6 ÷ 1/2 =
  5. 5.3/10 ÷ 1/6 =
  6. 6.1/6 × 4/5 =
  7. 7.9/10 × 1/3 =
  8. 8.6/7 × 2/9 =
  9. 9.4/11 ÷ 4/11 =
  10. 10.1/4 × 6/7 =
  11. 11.1/2 × 4/5 =
  12. 12.1/2 ÷ 7/10 =
  13. 13.2/5 ÷ 6/7 =
  14. 14.1/6 ÷ 3/10 =
  15. 15.1/3 ÷ 2/3 =
  16. 16.3/7 × 7/9 =
  17. 17.1/10 ÷ 1/2 =
  18. 18.1/3 ÷ 8/9 =
  19. 19.3/8 ÷ 1/10 =
  20. 20.2/3 ÷ 1/6 =
  21. 21.2/3 × 3/5 =
  22. 22.1/2 ÷ 1/6 =
  23. 23.3/5 × 1/3 =
  24. 24.2/3 × 3/5 =
  25. 25.3/7 × 1/3 =
  26. 26.2/9 × 1/4 =
  27. 27.1/2 ÷ 7/8 =
  28. 28.1/12 × 2/3 =
  29. 29.1/8 ÷ 1/2 =
  30. 30.1/3 ÷ 1/3 =
  31. 31.5/8 × 2/3 =
  32. 32.1/2 × 2/3 =
  33. 33.1/8 ÷ 1/6 =
  34. 34.4/9 × 1/2 =
  35. 35.1/2 × 2/3 =
  36. 36.11/12 × 9/11 =
  37. 37.3/4 ÷ 7/8 =
  38. 38.1/2 × 6/11 =
  39. 39.2/3 × 3/4 =
  40. 40.4/5 × 1/6 =

Answer key

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

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