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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 501 · 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. 1.1/3 ÷ 1/3 =
  2. 2.3/7 × 8/9 =
  3. 3.8/9 × 3/11 =
  4. 4.1/2 ÷ 1/4 =
  5. 5.4/5 × 9/10 =
  6. 6.1/3 ÷ 1/3 =
  7. 7.11/12 × 2/5 =
  8. 8.3/10 ÷ 6/7 =
  9. 9.2/7 × 3/4 =
  10. 10.1/2 × 4/7 =
  11. 11.5/6 × 1/5 =
  12. 12.2/3 × 5/6 =
  13. 13.3/4 × 10/11 =
  14. 14.8/11 × 3/4 =
  15. 15.1/4 ÷ 1/2 =
  16. 16.1/4 ÷ 3/4 =
  17. 17.2/9 × 1/10 =
  18. 18.8/11 × 1/6 =
  19. 19.2/3 ÷ 1/3 =
  20. 20.4/9 ÷ 1/3 =
  21. 21.4/5 ÷ 1/5 =
  22. 22.2/3 × 1/10 =
  23. 23.1/9 ÷ 1/3 =
  24. 24.3/4 ÷ 1/2 =
  25. 25.2/3 × 1/2 =
  26. 26.6/7 × 8/9 =
  27. 27.4/9 ÷ 4/5 =
  28. 28.8/9 × 9/11 =
  29. 29.1/4 ÷ 1/6 =
  30. 30.1/2 × 6/7 =
  31. 31.1/9 × 6/7 =
  32. 32.1/2 × 2/5 =
  33. 33.1/12 ÷ 2/3 =
  34. 34.8/11 × 9/10 =
  35. 35.7/8 ÷ 3/4 =
  36. 36.5/11 × 2/5 =
  37. 37.1/2 ÷ 3/4 =
  38. 38.5/7 × 7/10 =
  39. 39.1/2 ÷ 1/2 =
  40. 40.1/3 × 9/11 =

Answer key

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

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