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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 516 · 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.What is 8/9 of 90 students?
  2. 2.What is 1/2 of 12 km?
  3. 3.What is 1/3 of 18 litres?
  4. 4.16.4 ÷ 4 =
  5. 5.1/4 + 3/7 =
  6. 6.2.14 + 1.5 =
  7. 7.6/9 × 1/2 =
  8. 8.15.3 ÷ 9 =
  9. 9.5/10 × 1/2 =
  10. 10.22.5 ÷ 3 =
  11. 11.4/5 × 1/4 =
  12. 12.6.05 + 1.8 =
  13. 13.4.39 + 6.4 =
  14. 14.10/11 − 8/10 =
  15. 15.4/5 × 7/12 =
  16. 16.9.5 × 2 =
  17. 17.What is 3/8 of 152 km?
  18. 18.5.2 × 3 =
  19. 19.9.7 × 9 =
  20. 20.3.1 × 5 =
  21. 21.5/6 × 1/4 =
  22. 22.1/2 − 5/12 =
  23. 23.What is 1/8 of 80 kg?
  24. 24.1/2 + 4/9 =
  25. 25.4.5 ÷ 3 =
  26. 26.2.1 × 3 =
  27. 27.10/11 + 3/9 =
  28. 28.11.9 ÷ 7 =
  29. 29.What is 7/9 of 90 km?
  30. 30.4/5 − 2/3 =
  31. 31.1/4 × 4/11 =
  32. 32.5/12 + 2/3 =
  33. 33.3/4 + 4/6 =
  34. 34.What is 1/5 of 30 km?
  35. 35.4/7 + 1/4 =
  36. 36.38.5 ÷ 5 =
  37. 37.1/3 − 1/8 =
  38. 38.6/7 − 4/12 =
  39. 39.3/4 + 4/5 =
  40. 40.3.3 × 9 =

Answer key

  1. 80
  2. 6
  3. 6
  4. 4.1
  5. 19/28
  6. 3.64
  7. 1/3
  8. 1.7
  9. 1/4
  10. 7.5
  11. 1/5
  12. 7.85
  13. 10.79
  14. 6/55
  15. 7/15
  16. 19
  17. 57
  18. 15.6
  19. 87.3
  20. 15.5
  21. 5/24
  22. 1/12
  23. 10
  24. 17/18
  25. 1.5
  26. 6.3
  27. 41/33
  28. 1.7
  29. 70
  30. 2/15
  31. 1/11
  32. 13/12
  33. 17/12
  34. 6
  35. 23/28
  36. 7.7
  37. 5/24
  38. 11/21
  39. 31/20
  40. 29.7

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