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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 120 · 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. 1.5/12 × 9/10 =
  2. 2.2/5 × 3/4 =
  3. 3.2/3 × 1/2 =
  4. 4.5/9 × 4/5 =
  5. 5.4/7 × 3/10 =
  6. 6.1/4 × 6/7 =
  7. 7.5/9 × 3/7 =
  8. 8.1/6 × 3/5 =
  9. 9.3/4 ÷ 3/4 =
  10. 10.2/3 × 3/4 =
  11. 11.2/5 ÷ 2/9 =
  12. 12.2/3 × 9/11 =
  13. 13.5/12 ÷ 5/6 =
  14. 14.4/5 ÷ 1/5 =
  15. 15.3/4 × 1/3 =
  16. 16.1/2 ÷ 5/8 =
  17. 17.1/2 ÷ 1/2 =
  18. 18.3/8 × 11/12 =
  19. 19.2/5 × 1/4 =
  20. 20.7/12 ÷ 3/8 =
  21. 21.6/7 ÷ 6/7 =
  22. 22.10/11 × 4/5 =
  23. 23.1/3 ÷ 1/3 =
  24. 24.4/5 ÷ 4/7 =
  25. 25.1/3 ÷ 2/3 =
  26. 26.2/3 × 5/6 =
  27. 27.1/6 ÷ 5/8 =
  28. 28.3/4 × 1/3 =
  29. 29.5/8 ÷ 1/6 =
  30. 30.3/4 × 2/9 =
  31. 31.4/11 ÷ 2/3 =
  32. 32.6/11 × 1/3 =
  33. 33.8/9 ÷ 7/12 =
  34. 34.3/4 ÷ 3/8 =
  35. 35.2/11 × 5/8 =
  36. 36.11/12 ÷ 1/9 =
  37. 37.1/2 × 2/5 =
  38. 38.1/3 × 3/10 =
  39. 39.1/2 × 2/3 =
  40. 40.4/5 × 1/2 =

Answer key

  1. 3/8
  2. 3/10
  3. 1/3
  4. 4/9
  5. 6/35
  6. 3/14
  7. 5/21
  8. 1/10
  9. 1
  10. 1/2
  11. 9/5
  12. 6/11
  13. 1/2
  14. 4
  15. 1/4
  16. 4/5
  17. 1
  18. 11/32
  19. 1/10
  20. 14/9
  21. 1
  22. 8/11
  23. 1
  24. 7/5
  25. 1/2
  26. 5/9
  27. 4/15
  28. 1/4
  29. 15/4
  30. 1/6
  31. 6/11
  32. 2/11
  33. 32/21
  34. 2
  35. 5/44
  36. 33/4
  37. 1/5
  38. 1/10
  39. 1/3
  40. 2/5

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