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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 581 · 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. 1.4/5 × 5/7 =
  2. 2.3/10 × 1/3 =
  3. 3.3/11 ÷ 3/4 =
  4. 4.1/2 × 4/5 =
  5. 5.4/5 ÷ 2/3 =
  6. 6.3/5 ÷ 2/5 =
  7. 7.4/5 × 3/10 =
  8. 8.1/4 ÷ 5/6 =
  9. 9.1/2 × 4/11 =
  10. 10.1/2 × 2/3 =
  11. 11.1/6 ÷ 2/3 =
  12. 12.1/3 × 3/5 =
  13. 13.2/3 × 1/2 =
  14. 14.4/5 × 5/8 =
  15. 15.5/9 × 3/4 =
  16. 16.8/11 × 1/2 =
  17. 17.4/5 ÷ 6/11 =
  18. 18.7/8 ÷ 1/4 =
  19. 19.3/11 ÷ 10/11 =
  20. 20.1/2 ÷ 9/10 =
  21. 21.5/8 × 2/7 =
  22. 22.1/12 ÷ 1/3 =
  23. 23.2/3 × 11/12 =
  24. 24.3/5 ÷ 6/7 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.5/8 ÷ 3/4 =
  27. 27.1/10 × 2/9 =
  28. 28.1/4 ÷ 1/2 =
  29. 29.4/7 × 9/10 =
  30. 30.5/7 ÷ 5/6 =
  31. 31.1/3 × 3/7 =
  32. 32.1/6 × 4/5 =
  33. 33.3/8 × 1/3 =
  34. 34.1/4 ÷ 3/4 =
  35. 35.1/2 ÷ 1/2 =
  36. 36.2/5 × 3/4 =
  37. 37.2/5 ÷ 2/3 =
  38. 38.1/2 ÷ 1/2 =
  39. 39.1/2 ÷ 1/10 =
  40. 40.1/3 ÷ 1/3 =

Answer key

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

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