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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 793 · 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 × 3/7 =
  2. 2.5/9 ÷ 1/9 =
  3. 3.1/2 × 10/11 =
  4. 4.1/2 ÷ 1/6 =
  5. 5.1/4 × 2/3 =
  6. 6.6/7 × 1/6 =
  7. 7.1/2 ÷ 1/2 =
  8. 8.4/5 ÷ 10/11 =
  9. 9.1/5 × 5/8 =
  10. 10.3/4 ÷ 9/10 =
  11. 11.2/9 × 3/4 =
  12. 12.10/11 × 1/2 =
  13. 13.1/4 × 2/9 =
  14. 14.1/2 ÷ 1/2 =
  15. 15.2/3 × 1/10 =
  16. 16.6/7 × 3/4 =
  17. 17.9/10 × 1/9 =
  18. 18.1/6 × 3/4 =
  19. 19.3/7 × 5/9 =
  20. 20.7/11 ÷ 1/11 =
  21. 21.2/3 × 5/6 =
  22. 22.6/7 ÷ 2/5 =
  23. 23.4/5 ÷ 6/11 =
  24. 24.1/2 × 2/3 =
  25. 25.5/6 ÷ 1/3 =
  26. 26.3/4 ÷ 1/2 =
  27. 27.1/2 ÷ 1/4 =
  28. 28.1/10 × 4/7 =
  29. 29.5/11 ÷ 5/11 =
  30. 30.1/2 × 4/5 =
  31. 31.3/4 × 5/6 =
  32. 32.1/3 ÷ 8/9 =
  33. 33.1/10 × 5/9 =
  34. 34.1/2 × 4/5 =
  35. 35.11/12 × 4/5 =
  36. 36.3/4 × 1/3 =
  37. 37.5/6 × 8/9 =
  38. 38.1/2 ÷ 7/8 =
  39. 39.3/4 × 2/3 =
  40. 40.2/3 ÷ 2/3 =

Answer key

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

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