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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 31 · 40 questions
TalentJR

The method (Common bottoms): Add/subtract: change both fractions to the LCM of the bottoms, then add or take away the tops. Simplify at the end. Multiply: top × top over bottom × bottom, then simplify. “Of” means multiply. Decimals: line up the points; for × and ÷ by a whole number, work without the point and put it back.

NameDateTime takenScore ___ / 40
  1. 1.4/5 − 2/3 =
  2. 2.8.17 + 9.5 =
  3. 3.16.5 ÷ 3 =
  4. 4.5.27 + 9.1 =
  5. 5.7.1 × 3 =
  6. 6.2.8 × 8 =
  7. 7.1/2 + 1/12 =
  8. 8.9/11 − 4/12 =
  9. 9.5.93 + 7.9 =
  10. 10.4.21 + 9.6 =
  11. 11.18.9 ÷ 3 =
  12. 12.1.27 + 9.9 =
  13. 13.1.8 × 8 =
  14. 14.9/12 × 2/8 =
  15. 15.1/4 + 3/11 =
  16. 16.7.8 × 6 =
  17. 17.3.81 + 5.8 =
  18. 18.3.44 + 4.7 =
  19. 19.10/12 × 1/2 =
  20. 20.38.5 ÷ 5 =
  21. 21.1/3 × 8/9 =
  22. 22.5/12 − 1/10 =
  23. 23.39.2 ÷ 4 =
  24. 24.What is 5/6 of 42 km?
  25. 25.3/5 − 1/3 =
  26. 26.What is 1/8 of 48 km?
  27. 27.2/4 − 4/9 =
  28. 28.1/2 − 1/3 =
  29. 29.7.63 + 8.2 =
  30. 30.What is 3/4 of 12 km?
  31. 31.1.5 × 9 =
  32. 32.1/3 × 2/12 =
  33. 33.5.4 × 4 =
  34. 34.1/2 − 4/9 =
  35. 35.40.6 ÷ 7 =
  36. 36.3.72 + 7.5 =
  37. 37.1/2 + 1/6 =
  38. 38.3/9 + 4/7 =
  39. 39.72.8 ÷ 8 =
  40. 40.6/10 × 4/12 =

Answer key

  1. 2/15
  2. 17.67
  3. 5.5
  4. 14.37
  5. 21.3
  6. 22.4
  7. 7/12
  8. 16/33
  9. 13.83
  10. 13.81
  11. 6.3
  12. 11.17
  13. 14.4
  14. 3/16
  15. 23/44
  16. 46.8
  17. 9.61
  18. 8.14
  19. 5/12
  20. 7.7
  21. 8/27
  22. 19/60
  23. 9.8
  24. 35
  25. 4/15
  26. 6
  27. 1/18
  28. 1/6
  29. 15.83
  30. 9
  31. 13.5
  32. 1/18
  33. 21.6
  34. 1/18
  35. 5.8
  36. 11.22
  37. 2/3
  38. 19/21
  39. 9.1
  40. 1/5

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