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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 511 · 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. 1.3/7 × 7/11 =
  2. 2.1/4 × 2/7 =
  3. 3.3/10 × 1/12 =
  4. 4.1/2 × 2/5 =
  5. 5.11/12 ÷ 2/3 =
  6. 6.3/5 × 7/9 =
  7. 7.3/7 × 1/6 =
  8. 8.1/4 × 4/5 =
  9. 9.2/5 × 7/8 =
  10. 10.2/3 × 1/2 =
  11. 11.3/4 × 2/3 =
  12. 12.10/11 ÷ 5/7 =
  13. 13.1/4 × 2/7 =
  14. 14.3/5 × 2/3 =
  15. 15.7/12 ÷ 3/4 =
  16. 16.11/12 × 4/5 =
  17. 17.1/2 ÷ 9/10 =
  18. 18.2/3 ÷ 1/3 =
  19. 19.2/3 ÷ 4/9 =
  20. 20.4/7 × 1/2 =
  21. 21.1/2 × 2/7 =
  22. 22.2/9 × 7/10 =
  23. 23.1/8 ÷ 1/10 =
  24. 24.3/4 × 2/7 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.1/4 ÷ 1/2 =
  27. 27.2/3 × 1/2 =
  28. 28.9/11 × 1/6 =
  29. 29.3/4 × 8/11 =
  30. 30.9/10 × 5/7 =
  31. 31.4/5 × 1/2 =
  32. 32.1/4 × 6/7 =
  33. 33.2/3 × 1/2 =
  34. 34.3/4 × 1/12 =
  35. 35.2/3 × 1/2 =
  36. 36.7/12 ÷ 7/12 =
  37. 37.2/7 × 1/2 =
  38. 38.2/9 ÷ 2/3 =
  39. 39.5/6 × 2/3 =
  40. 40.1/2 ÷ 1/4 =

Answer key

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

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