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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 643 · 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. 1.18.4 ÷ 8 =
  2. 2.7/9 × 1/2 =
  3. 3.7.79 + 8.8 =
  4. 4.10/11 + 2/12 =
  5. 5.8.17 + 3.5 =
  6. 6.1/3 × 5/11 =
  7. 7.5/7 + 1/3 =
  8. 8.What is 3/7 of 70 students?
  9. 9.7.57 + 5.5 =
  10. 10.32.9 ÷ 7 =
  11. 11.3/7 − 1/3 =
  12. 12.8/9 − 4/7 =
  13. 13.7.5 × 8 =
  14. 14.2.8 × 9 =
  15. 15.5/10 × 1/2 =
  16. 16.1/2 + 1/3 =
  17. 17.16.2 ÷ 3 =
  18. 18.5/11 + 3/4 =
  19. 19.45.5 ÷ 7 =
  20. 20.4/5 + 4/6 =
  21. 21.1.6 × 6 =
  22. 22.5.88 + 5.6 =
  23. 23.15.6 ÷ 4 =
  24. 24.What is 1/9 of 117 students?
  25. 25.30.1 ÷ 7 =
  26. 26.What is 5/6 of 12 kg?
  27. 27.7.2 ÷ 6 =
  28. 28.5.92 + 1.7 =
  29. 29.1/2 + 1/4 =
  30. 30.7/10 − 1/7 =
  31. 31.3.7 × 2 =
  32. 32.17.6 ÷ 2 =
  33. 33.3/9 + 3/7 =
  34. 34.What is 1/3 of 84 kg?
  35. 35.1.85 + 7.2 =
  36. 36.4/5 − 1/6 =
  37. 37.What is 1/5 of 95 kg?
  38. 38.3/4 − 1/3 =
  39. 39.5/9 × 2/3 =
  40. 40.11 ÷ 5 =

Answer key

  1. 2.3
  2. 7/18
  3. 16.59
  4. 71/66
  5. 11.67
  6. 5/33
  7. 22/21
  8. 30
  9. 13.07
  10. 4.7
  11. 2/21
  12. 20/63
  13. 60
  14. 25.2
  15. 1/4
  16. 5/6
  17. 5.4
  18. 53/44
  19. 6.5
  20. 22/15
  21. 9.6
  22. 11.48
  23. 3.9
  24. 13
  25. 4.3
  26. 10
  27. 1.2
  28. 7.62
  29. 3/4
  30. 39/70
  31. 7.4
  32. 8.8
  33. 16/21
  34. 28
  35. 9.05
  36. 19/30
  37. 19
  38. 5/12
  39. 10/27
  40. 2.2

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