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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 546 · 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 × 4/7 =
  2. 2.1/5 ÷ 9/10 =
  3. 3.3/4 ÷ 1/4 =
  4. 4.5/9 × 1/10 =
  5. 5.6/7 × 1/2 =
  6. 6.2/5 × 1/2 =
  7. 7.1/6 ÷ 1/3 =
  8. 8.1/4 × 2/3 =
  9. 9.1/2 × 2/5 =
  10. 10.7/12 ÷ 1/3 =
  11. 11.1/2 × 2/3 =
  12. 12.6/11 × 1/4 =
  13. 13.3/4 × 6/11 =
  14. 14.3/7 × 1/6 =
  15. 15.5/6 × 2/3 =
  16. 16.2/3 ÷ 1/3 =
  17. 17.8/9 × 1/2 =
  18. 18.3/10 × 2/11 =
  19. 19.1/6 × 2/5 =
  20. 20.1/2 × 2/3 =
  21. 21.8/9 ÷ 10/11 =
  22. 22.3/4 × 4/5 =
  23. 23.2/3 × 5/8 =
  24. 24.7/11 ÷ 7/10 =
  25. 25.1/6 ÷ 1/6 =
  26. 26.3/10 × 1/3 =
  27. 27.3/8 × 2/5 =
  28. 28.1/2 × 2/3 =
  29. 29.1/2 × 2/9 =
  30. 30.1/6 ÷ 1/2 =
  31. 31.2/3 ÷ 2/3 =
  32. 32.2/5 × 1/2 =
  33. 33.1/2 × 4/5 =
  34. 34.2/7 × 3/4 =
  35. 35.3/11 × 2/3 =
  36. 36.1/3 × 3/11 =
  37. 37.1/6 ÷ 2/3 =
  38. 38.3/5 ÷ 3/4 =
  39. 39.4/5 ÷ 2/11 =
  40. 40.9/10 ÷ 1/4 =

Answer key

  1. 2/5
  2. 2/9
  3. 3
  4. 1/18
  5. 3/7
  6. 1/5
  7. 1/2
  8. 1/6
  9. 1/5
  10. 7/4
  11. 1/3
  12. 3/22
  13. 9/22
  14. 1/14
  15. 5/9
  16. 2
  17. 4/9
  18. 3/55
  19. 1/15
  20. 1/3
  21. 44/45
  22. 3/5
  23. 5/12
  24. 10/11
  25. 1
  26. 1/10
  27. 3/20
  28. 1/3
  29. 1/9
  30. 1/3
  31. 1
  32. 1/5
  33. 2/5
  34. 3/14
  35. 2/11
  36. 1/11
  37. 1/4
  38. 4/5
  39. 22/5
  40. 18/5

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