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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 247 · 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. 1.3.09 + 2.9 =
  2. 2.8.16 + 9.6 =
  3. 3.4/5 − 1/3 =
  4. 4.16.8 ÷ 8 =
  5. 5.32.8 ÷ 8 =
  6. 6.9.15 + 4.5 =
  7. 7.8/9 − 1/2 =
  8. 8.7.07 + 9.7 =
  9. 9.What is 1/10 of 70 kg?
  10. 10.10.8 ÷ 6 =
  11. 11.9.6 × 6 =
  12. 12.5.8 × 3 =
  13. 13.14.1 ÷ 3 =
  14. 14.25.5 ÷ 5 =
  15. 15.What is 7/8 of 152 litres?
  16. 16.1/2 + 2/9 =
  17. 17.2/3 − 1/4 =
  18. 18.What is 2/3 of 24 kg?
  19. 19.What is 1/5 of 100 kg?
  20. 20.1/7 − 1/11 =
  21. 21.1/4 − 1/5 =
  22. 22.What is 6/7 of 28 litres?
  23. 23.1/2 − 2/12 =
  24. 24.56.4 ÷ 6 =
  25. 25.4/12 − 1/6 =
  26. 26.19 ÷ 5 =
  27. 27.16.2 ÷ 6 =
  28. 28.1.8 × 9 =
  29. 29.6.4 ÷ 4 =
  30. 30.1.6 × 5 =
  31. 31.What is 1/2 of 50 litres?
  32. 32.4.44 + 1.4 =
  33. 33.2.9 × 6 =
  34. 34.8/12 + 1/9 =
  35. 35.1/5 + 4/6 =
  36. 36.4/5 + 2/10 =
  37. 37.2/4 − 1/5 =
  38. 38.2/6 × 4/11 =
  39. 39.8.7 × 2 =
  40. 40.6/7 − 1/2 =

Answer key

  1. 5.99
  2. 17.76
  3. 7/15
  4. 2.1
  5. 4.1
  6. 13.65
  7. 7/18
  8. 16.77
  9. 7
  10. 1.8
  11. 57.6
  12. 17.4
  13. 4.7
  14. 5.1
  15. 133
  16. 13/18
  17. 5/12
  18. 16
  19. 20
  20. 4/77
  21. 1/20
  22. 24
  23. 1/3
  24. 9.4
  25. 1/6
  26. 3.8
  27. 2.7
  28. 16.2
  29. 1.6
  30. 8
  31. 25
  32. 5.84
  33. 17.4
  34. 7/9
  35. 13/15
  36. 1
  37. 3/10
  38. 4/33
  39. 17.4
  40. 5/14

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