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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 216 · 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. 1.4.15 + 4.2 =
  2. 2.2/3 + 7/12 =
  3. 3.1/4 × 3/11 =
  4. 4.1.99 + 7.5 =
  5. 5.3/8 − 1/7 =
  6. 6.9/12 − 2/6 =
  7. 7.7.4 × 2 =
  8. 8.7.2 × 5 =
  9. 9.3/11 − 1/9 =
  10. 10.1.16 + 1.7 =
  11. 11.1/2 − 1/5 =
  12. 12.2/3 + 3/7 =
  13. 13.1/5 − 1/11 =
  14. 14.1/3 + 3/10 =
  15. 15.What is 1/2 of 20 km?
  16. 16.3/6 × 1/10 =
  17. 17.3/4 − 2/9 =
  18. 18.What is 1/2 of 52 kg?
  19. 19.What is 3/8 of 112 kg?
  20. 20.8.27 + 2.7 =
  21. 21.9.67 + 7.6 =
  22. 22.What is 3/4 of 116 kg?
  23. 23.1/3 × 2/5 =
  24. 24.What is 2/9 of 198 km?
  25. 25.15 ÷ 6 =
  26. 26.5.02 + 2.6 =
  27. 27.6.8 × 7 =
  28. 28.20.8 ÷ 8 =
  29. 29.1/5 × 1/4 =
  30. 30.3.4 × 7 =
  31. 31.What is 3/10 of 130 km?
  32. 32.What is 2/3 of 87 km?
  33. 33.2.4 × 8 =
  34. 34.2/12 × 2/10 =
  35. 35.6/11 − 2/8 =
  36. 36.4/6 − 2/9 =
  37. 37.1/2 − 1/4 =
  38. 38.34.8 ÷ 6 =
  39. 39.3.75 + 3.6 =
  40. 40.3.98 + 6.8 =

Answer key

  1. 8.35
  2. 5/4
  3. 3/44
  4. 9.49
  5. 13/56
  6. 5/12
  7. 14.8
  8. 36
  9. 16/99
  10. 2.86
  11. 3/10
  12. 23/21
  13. 6/55
  14. 19/30
  15. 10
  16. 1/20
  17. 19/36
  18. 26
  19. 42
  20. 10.97
  21. 17.27
  22. 87
  23. 2/15
  24. 44
  25. 2.5
  26. 7.62
  27. 47.6
  28. 2.6
  29. 1/20
  30. 23.8
  31. 39
  32. 58
  33. 19.2
  34. 1/30
  35. 13/44
  36. 4/9
  37. 1/4
  38. 5.8
  39. 7.35
  40. 10.78

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