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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 250 · 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. 1.3/4 × 1/2 =
  2. 2.40.8 ÷ 6 =
  3. 3.1/3 − 2/10 =
  4. 4.5.71 + 8.9 =
  5. 5.1/10 × 2/4 =
  6. 6.4.73 + 5.1 =
  7. 7.5/7 − 6/9 =
  8. 8.1.8 × 8 =
  9. 9.What is 1/2 of 24 students?
  10. 10.6.81 + 7.5 =
  11. 11.3.66 + 5.1 =
  12. 12.2/3 + 1/2 =
  13. 13.6.03 + 8.4 =
  14. 14.1/3 × 1/7 =
  15. 15.2/3 − 4/8 =
  16. 16.3/4 − 2/5 =
  17. 17.4/5 − 2/6 =
  18. 18.What is 6/7 of 112 litres?
  19. 19.9.2 × 2 =
  20. 20.53.4 ÷ 6 =
  21. 21.10/11 + 3/5 =
  22. 22.What is 5/6 of 162 km?
  23. 23.2/6 + 1/3 =
  24. 24.9/12 × 2/8 =
  25. 25.What is 1/3 of 87 litres?
  26. 26.7.9 × 5 =
  27. 27.82.8 ÷ 9 =
  28. 28.4.45 + 2.1 =
  29. 29.4/7 × 8/11 =
  30. 30.6/7 − 5/12 =
  31. 31.1/4 + 8/9 =
  32. 32.1/2 + 7/8 =
  33. 33.4.7 × 6 =
  34. 34.5.47 + 3.8 =
  35. 35.11/12 − 3/4 =
  36. 36.3/11 × 1/2 =
  37. 37.1/2 − 1/10 =
  38. 38.7.3 × 3 =
  39. 39.7.79 + 3.7 =
  40. 40.9/10 × 3/8 =

Answer key

  1. 3/8
  2. 6.8
  3. 2/15
  4. 14.61
  5. 1/20
  6. 9.83
  7. 1/21
  8. 14.4
  9. 12
  10. 14.31
  11. 8.76
  12. 7/6
  13. 14.43
  14. 1/21
  15. 1/6
  16. 7/20
  17. 7/15
  18. 96
  19. 18.4
  20. 8.9
  21. 83/55
  22. 135
  23. 2/3
  24. 3/16
  25. 29
  26. 39.5
  27. 9.2
  28. 6.55
  29. 32/77
  30. 37/84
  31. 41/36
  32. 11/8
  33. 28.2
  34. 9.27
  35. 1/6
  36. 3/22
  37. 2/5
  38. 21.9
  39. 11.49
  40. 27/80

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