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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 564 · 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. 1.9/11 − 1/9 =
  2. 2.1/2 − 2/10 =
  3. 3.7/11 + 5/10 =
  4. 4.9.24 + 3.2 =
  5. 5.2/3 × 9/10 =
  6. 6.1/2 + 4/7 =
  7. 7.9.15 + 3.9 =
  8. 8.1/2 + 1/5 =
  9. 9.5/10 − 2/7 =
  10. 10.2.7 × 9 =
  11. 11.19.2 ÷ 6 =
  12. 12.14.4 ÷ 2 =
  13. 13.1.09 + 8.3 =
  14. 14.6.65 + 3.8 =
  15. 15.27.6 ÷ 6 =
  16. 16.1/2 + 5/9 =
  17. 17.4/5 − 6/10 =
  18. 18.2/12 × 2/11 =
  19. 19.6.9 ÷ 3 =
  20. 20.8.99 + 7.8 =
  21. 21.87.3 ÷ 9 =
  22. 22.1/2 × 2/3 =
  23. 23.1/10 × 4/12 =
  24. 24.2/4 + 2/3 =
  25. 25.What is 2/5 of 80 km?
  26. 26.6/12 + 1/2 =
  27. 27.10/11 − 2/3 =
  28. 28.3.48 + 5.2 =
  29. 29.4.79 + 7.2 =
  30. 30.2/12 × 5/8 =
  31. 31.6/10 + 1/2 =
  32. 32.4/5 + 2/3 =
  33. 33.5/7 + 1/2 =
  34. 34.2.67 + 7.7 =
  35. 35.8.8 × 7 =
  36. 36.What is 1/2 of 20 km?
  37. 37.9/12 + 1/5 =
  38. 38.7.2 ÷ 2 =
  39. 39.43 ÷ 5 =
  40. 40.1.67 + 5.1 =

Answer key

  1. 70/99
  2. 3/10
  3. 25/22
  4. 12.44
  5. 3/5
  6. 15/14
  7. 13.05
  8. 7/10
  9. 3/14
  10. 24.3
  11. 3.2
  12. 7.2
  13. 9.39
  14. 10.45
  15. 4.6
  16. 19/18
  17. 1/5
  18. 1/33
  19. 2.3
  20. 16.79
  21. 9.7
  22. 1/3
  23. 1/30
  24. 7/6
  25. 32
  26. 1
  27. 8/33
  28. 8.68
  29. 11.99
  30. 5/48
  31. 11/10
  32. 22/15
  33. 17/14
  34. 10.37
  35. 61.6
  36. 10
  37. 19/20
  38. 3.6
  39. 8.6
  40. 6.77

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