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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 416 · 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. 1.2/3 × 1/2 =
  2. 2.What is 1/2 of 20 students?
  3. 3.1/3 × 6/7 =
  4. 4.1/2 + 8/9 =
  5. 5.5.1 ÷ 3 =
  6. 6.1/3 × 2/4 =
  7. 7.5/7 × 7/9 =
  8. 8.What is 1/3 of 69 students?
  9. 9.3 ÷ 2 =
  10. 10.What is 1/9 of 45 km?
  11. 11.25.6 ÷ 8 =
  12. 12.5.63 + 2.6 =
  13. 13.7.8 × 5 =
  14. 14.2/7 − 2/12 =
  15. 15.4/5 − 3/8 =
  16. 16.2/3 + 7/10 =
  17. 17.7.26 + 7.5 =
  18. 18.What is 4/9 of 72 km?
  19. 19.3.3 × 3 =
  20. 20.4/11 + 1/2 =
  21. 21.9.16 + 1.8 =
  22. 22.8.3 × 8 =
  23. 23.2/12 × 6/10 =
  24. 24.7.48 + 7.1 =
  25. 25.2/10 + 2/4 =
  26. 26.8/10 − 7/12 =
  27. 27.What is 1/3 of 18 litres?
  28. 28.1/3 − 1/4 =
  29. 29.2/4 + 1/10 =
  30. 30.5/7 − 2/3 =
  31. 31.1/12 × 2/10 =
  32. 32.6.15 + 8.8 =
  33. 33.7.4 × 9 =
  34. 34.2/3 − 5/11 =
  35. 35.11/12 − 1/2 =
  36. 36.1.62 + 5.4 =
  37. 37.7/8 + 5/11 =
  38. 38.13.8 ÷ 3 =
  39. 39.7/8 × 1/2 =
  40. 40.2/5 × 10/12 =

Answer key

  1. 1/3
  2. 10
  3. 2/7
  4. 25/18
  5. 1.7
  6. 1/6
  7. 5/9
  8. 23
  9. 1.5
  10. 5
  11. 3.2
  12. 8.23
  13. 39
  14. 5/42
  15. 17/40
  16. 41/30
  17. 14.76
  18. 32
  19. 9.9
  20. 19/22
  21. 10.96
  22. 66.4
  23. 1/10
  24. 14.58
  25. 7/10
  26. 13/60
  27. 6
  28. 1/12
  29. 3/5
  30. 1/21
  31. 1/60
  32. 14.95
  33. 66.6
  34. 7/33
  35. 5/12
  36. 7.02
  37. 117/88
  38. 4.6
  39. 7/16
  40. 1/3

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