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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 513 · 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. 1.3.6 × 3 =
  2. 2.8.14 + 1.8 =
  3. 3.7.5 × 4 =
  4. 4.What is 3/10 of 250 students?
  5. 5.What is 2/3 of 12 students?
  6. 6.5/6 + 8/10 =
  7. 7.1/3 × 6/11 =
  8. 8.20 ÷ 8 =
  9. 9.4/5 × 1/6 =
  10. 10.7/9 + 3/10 =
  11. 11.15.5 ÷ 5 =
  12. 12.What is 1/7 of 49 kg?
  13. 13.8.3 × 7 =
  14. 14.3.4 × 2 =
  15. 15.6/12 × 3/11 =
  16. 16.3/5 + 6/7 =
  17. 17.2.1 × 5 =
  18. 18.4/5 − 2/3 =
  19. 19.1/5 + 3/4 =
  20. 20.6/7 + 3/9 =
  21. 21.5.7 × 2 =
  22. 22.1/2 × 6/12 =
  23. 23.2/12 × 4/9 =
  24. 24.4/6 − 2/4 =
  25. 25.What is 5/9 of 126 kg?
  26. 26.What is 5/6 of 30 litres?
  27. 27.3/10 × 2/3 =
  28. 28.What is 1/7 of 112 kg?
  29. 29.6.9 × 2 =
  30. 30.5.2 × 8 =
  31. 31.4.5 × 2 =
  32. 32.9/10 + 1/7 =
  33. 33.1.86 + 7.7 =
  34. 34.8/11 + 1/2 =
  35. 35.4/7 + 3/10 =
  36. 36.4/5 + 2/4 =
  37. 37.1/5 × 6/7 =
  38. 38.5/9 × 8/10 =
  39. 39.2/12 + 2/10 =
  40. 40.3/4 × 3/6 =

Answer key

  1. 10.8
  2. 9.94
  3. 30
  4. 75
  5. 8
  6. 49/30
  7. 2/11
  8. 2.5
  9. 2/15
  10. 97/90
  11. 3.1
  12. 7
  13. 58.1
  14. 6.8
  15. 3/22
  16. 51/35
  17. 10.5
  18. 2/15
  19. 19/20
  20. 25/21
  21. 11.4
  22. 1/4
  23. 2/27
  24. 1/6
  25. 70
  26. 25
  27. 1/5
  28. 16
  29. 13.8
  30. 41.6
  31. 9
  32. 73/70
  33. 9.56
  34. 27/22
  35. 61/70
  36. 13/10
  37. 6/35
  38. 4/9
  39. 11/30
  40. 3/8

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