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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 110 · 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. 1.4/6 × 2/4 =
  2. 2.What is 4/5 of 15 km?
  3. 3.3.61 + 1.8 =
  4. 4.2/11 × 4/6 =
  5. 5.9.9 × 5 =
  6. 6.3.4 × 6 =
  7. 7.1/2 + 10/11 =
  8. 8.What is 4/9 of 252 km?
  9. 9.7.2 ÷ 2 =
  10. 10.What is 2/3 of 45 students?
  11. 11.What is 1/3 of 18 students?
  12. 12.9/12 − 5/7 =
  13. 13.9.16 + 2.1 =
  14. 14.2/11 × 7/8 =
  15. 15.4/5 + 6/12 =
  16. 16.2/3 − 1/6 =
  17. 17.8/11 + 4/6 =
  18. 18.20 ÷ 8 =
  19. 19.17.6 ÷ 4 =
  20. 20.What is 1/3 of 12 kg?
  21. 21.5/7 + 2/3 =
  22. 22.5 ÷ 2 =
  23. 23.10/11 × 7/8 =
  24. 24.15.2 ÷ 8 =
  25. 25.What is 2/3 of 60 students?
  26. 26.9/12 + 7/11 =
  27. 27.7/10 − 3/5 =
  28. 28.1.7 × 3 =
  29. 29.5/10 + 1/2 =
  30. 30.6.35 + 2.3 =
  31. 31.1/4 − 1/5 =
  32. 32.7.5 ÷ 5 =
  33. 33.2/8 × 6/7 =
  34. 34.1.08 + 1.6 =
  35. 35.4/12 − 1/10 =
  36. 36.1/2 + 1/4 =
  37. 37.2/6 × 1/5 =
  38. 38.6/9 × 5/11 =
  39. 39.1.4 × 4 =
  40. 40.8.05 + 3.5 =

Answer key

  1. 1/3
  2. 12
  3. 5.41
  4. 4/33
  5. 49.5
  6. 20.4
  7. 31/22
  8. 112
  9. 3.6
  10. 30
  11. 6
  12. 1/28
  13. 11.26
  14. 7/44
  15. 13/10
  16. 1/2
  17. 46/33
  18. 2.5
  19. 4.4
  20. 4
  21. 29/21
  22. 2.5
  23. 35/44
  24. 1.9
  25. 40
  26. 61/44
  27. 1/10
  28. 5.1
  29. 1
  30. 8.65
  31. 1/20
  32. 1.5
  33. 3/14
  34. 2.68
  35. 7/30
  36. 3/4
  37. 1/15
  38. 10/33
  39. 5.6
  40. 11.55

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