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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 771 · 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. 1.5/7 × 1/5 =
  2. 2.1/2 × 2/7 =
  3. 3.9/10 × 2/5 =
  4. 4.4/5 × 5/7 =
  5. 5.3/10 × 6/11 =
  6. 6.3/10 × 8/9 =
  7. 7.2/3 × 3/10 =
  8. 8.2/5 × 1/2 =
  9. 9.9/10 ÷ 3/7 =
  10. 10.2/3 × 3/5 =
  11. 11.1/2 ÷ 1/4 =
  12. 12.2/11 × 1/2 =
  13. 13.5/6 ÷ 5/8 =
  14. 14.3/8 × 8/9 =
  15. 15.5/12 × 3/4 =
  16. 16.1/2 ÷ 3/4 =
  17. 17.1/3 ÷ 1/6 =
  18. 18.1/2 ÷ 1/2 =
  19. 19.1/4 ÷ 1/2 =
  20. 20.7/8 ÷ 9/10 =
  21. 21.2/11 × 5/8 =
  22. 22.5/8 ÷ 3/8 =
  23. 23.1/2 ÷ 1/2 =
  24. 24.1/2 ÷ 1/2 =
  25. 25.2/3 × 1/2 =
  26. 26.3/4 × 1/9 =
  27. 27.5/7 × 7/12 =
  28. 28.2/3 ÷ 1/3 =
  29. 29.1/2 ÷ 1/2 =
  30. 30.3/11 × 11/12 =
  31. 31.4/7 × 3/10 =
  32. 32.1/3 × 3/4 =
  33. 33.5/9 × 9/11 =
  34. 34.3/10 × 5/7 =
  35. 35.7/12 × 4/7 =
  36. 36.1/2 ÷ 1/2 =
  37. 37.3/4 × 2/3 =
  38. 38.3/4 × 2/3 =
  39. 39.1/2 × 4/7 =
  40. 40.1/3 ÷ 5/9 =

Answer key

  1. 1/7
  2. 1/7
  3. 9/25
  4. 4/7
  5. 9/55
  6. 4/15
  7. 1/5
  8. 1/5
  9. 21/10
  10. 2/5
  11. 2
  12. 1/11
  13. 4/3
  14. 1/3
  15. 5/16
  16. 2/3
  17. 2
  18. 1
  19. 1/2
  20. 35/36
  21. 5/44
  22. 5/3
  23. 1
  24. 1
  25. 1/3
  26. 1/12
  27. 5/12
  28. 2
  29. 1
  30. 1/4
  31. 6/35
  32. 1/4
  33. 5/11
  34. 3/14
  35. 1/3
  36. 1
  37. 1/2
  38. 1/2
  39. 2/7
  40. 3/5

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