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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 333 · 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 × 1/7 =
  2. 2.1/2 × 2/11 =
  3. 3.7/10 ÷ 3/4 =
  4. 4.7/12 ÷ 1/2 =
  5. 5.4/5 × 1/2 =
  6. 6.5/8 × 2/3 =
  7. 7.2/7 ÷ 2/5 =
  8. 8.7/8 × 2/3 =
  9. 9.1/8 × 6/7 =
  10. 10.3/5 ÷ 2/5 =
  11. 11.3/4 × 1/3 =
  12. 12.4/5 ÷ 10/11 =
  13. 13.7/9 ÷ 2/3 =
  14. 14.5/6 × 4/9 =
  15. 15.5/8 × 2/3 =
  16. 16.2/5 × 1/2 =
  17. 17.1/2 × 2/3 =
  18. 18.9/10 ÷ 2/5 =
  19. 19.3/10 ÷ 1/2 =
  20. 20.5/6 ÷ 1/9 =
  21. 21.1/2 ÷ 1/2 =
  22. 22.2/3 × 3/5 =
  23. 23.1/3 × 3/5 =
  24. 24.1/2 × 2/11 =
  25. 25.2/3 ÷ 4/11 =
  26. 26.8/9 × 7/10 =
  27. 27.4/5 × 5/6 =
  28. 28.5/12 ÷ 1/2 =
  29. 29.1/2 × 4/11 =
  30. 30.3/4 × 1/3 =
  31. 31.1/2 ÷ 1/2 =
  32. 32.8/9 ÷ 7/12 =
  33. 33.3/4 × 1/3 =
  34. 34.2/3 × 1/4 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.1/12 ÷ 3/4 =
  37. 37.4/11 × 1/2 =
  38. 38.2/9 × 9/11 =
  39. 39.3/4 ÷ 9/11 =
  40. 40.8/9 ÷ 1/3 =

Answer key

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

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