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Multiplying and Dividing Fractions Worksheet

Speed calculation lesson 24: Fractions × and ÷: cancel first · Set 858 · 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 × 4/5 =
  2. 2.5/6 × 2/3 =
  3. 3.1/3 ÷ 1/3 =
  4. 4.1/2 × 2/5 =
  5. 5.1/6 × 2/3 =
  6. 6.2/7 × 1/2 =
  7. 7.5/6 × 1/10 =
  8. 8.7/8 × 2/3 =
  9. 9.2/11 × 7/8 =
  10. 10.3/4 ÷ 1/4 =
  11. 11.3/4 × 2/3 =
  12. 12.9/10 ÷ 1/2 =
  13. 13.5/9 ÷ 4/9 =
  14. 14.1/10 × 2/3 =
  15. 15.4/7 ÷ 2/5 =
  16. 16.2/5 × 5/7 =
  17. 17.5/6 ÷ 2/3 =
  18. 18.3/4 ÷ 1/2 =
  19. 19.3/5 × 2/3 =
  20. 20.3/5 ÷ 9/11 =
  21. 21.4/5 × 1/6 =
  22. 22.1/2 × 4/7 =
  23. 23.6/7 ÷ 6/7 =
  24. 24.1/2 ÷ 1/2 =
  25. 25.9/10 ÷ 1/4 =
  26. 26.6/7 × 2/3 =
  27. 27.8/11 × 1/2 =
  28. 28.5/6 × 3/11 =
  29. 29.6/7 × 1/2 =
  30. 30.1/12 × 2/11 =
  31. 31.1/2 ÷ 5/12 =
  32. 32.2/11 ÷ 2/3 =
  33. 33.1/4 ÷ 1/2 =
  34. 34.1/2 ÷ 5/12 =
  35. 35.8/11 ÷ 8/9 =
  36. 36.2/3 ÷ 2/5 =
  37. 37.11/12 × 3/5 =
  38. 38.1/2 ÷ 1/2 =
  39. 39.9/11 ÷ 7/11 =
  40. 40.3/5 × 8/9 =

Answer key

  1. 4/7
  2. 5/9
  3. 1
  4. 1/5
  5. 1/9
  6. 1/7
  7. 1/12
  8. 7/12
  9. 7/44
  10. 3
  11. 1/2
  12. 9/5
  13. 5/4
  14. 1/15
  15. 10/7
  16. 2/7
  17. 5/4
  18. 3/2
  19. 2/5
  20. 11/15
  21. 2/15
  22. 2/7
  23. 1
  24. 1
  25. 18/5
  26. 4/7
  27. 4/11
  28. 5/22
  29. 3/7
  30. 1/66
  31. 6/5
  32. 3/11
  33. 1/2
  34. 6/5
  35. 9/11
  36. 5/3
  37. 11/20
  38. 1
  39. 9/7
  40. 8/15

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