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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 407 · 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 × 3/10 =
  2. 2.3/11 + 5/6 =
  3. 3.3.25 + 7.6 =
  4. 4.What is 1/3 of 15 km?
  5. 5.2/6 × 6/12 =
  6. 6.6/9 + 2/3 =
  7. 7.2/3 − 3/5 =
  8. 8.2/3 + 7/8 =
  9. 9.9.7 × 7 =
  10. 10.What is 2/3 of 21 litres?
  11. 11.What is 1/7 of 63 kg?
  12. 12.2/5 × 3/6 =
  13. 13.2/4 − 1/8 =
  14. 14.1/4 − 1/5 =
  15. 15.34 ÷ 4 =
  16. 16.6.3 × 3 =
  17. 17.3/6 + 2/10 =
  18. 18.2/10 × 2/4 =
  19. 19.8.2 ÷ 2 =
  20. 20.1/2 × 6/10 =
  21. 21.1/3 + 1/4 =
  22. 22.11/12 − 7/11 =
  23. 23.3/7 × 2/9 =
  24. 24.1.03 + 1.5 =
  25. 25.4.1 × 3 =
  26. 26.1/2 + 3/8 =
  27. 27.8.68 + 7.3 =
  28. 28.3.4 × 9 =
  29. 29.2.42 + 4.4 =
  30. 30.9/12 × 1/7 =
  31. 31.What is 3/4 of 16 litres?
  32. 32.4.52 + 2.7 =
  33. 33.1/3 + 2/10 =
  34. 34.5.9 × 6 =
  35. 35.2/5 + 3/11 =
  36. 36.8.4 ÷ 3 =
  37. 37.8/9 × 4/8 =
  38. 38.2.8 × 2 =
  39. 39.9/10 × 2/3 =
  40. 40.2.82 + 4.9 =

Answer key

  1. 27/110
  2. 73/66
  3. 10.85
  4. 5
  5. 1/6
  6. 4/3
  7. 1/15
  8. 37/24
  9. 67.9
  10. 14
  11. 9
  12. 1/5
  13. 3/8
  14. 1/20
  15. 8.5
  16. 18.9
  17. 7/10
  18. 1/10
  19. 4.1
  20. 3/10
  21. 7/12
  22. 37/132
  23. 2/21
  24. 2.53
  25. 12.3
  26. 7/8
  27. 15.98
  28. 30.6
  29. 6.82
  30. 3/28
  31. 12
  32. 7.22
  33. 8/15
  34. 35.4
  35. 37/55
  36. 2.8
  37. 4/9
  38. 5.6
  39. 3/5
  40. 7.72

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