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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 25 · 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 4/5 of 150 litres?
  2. 2.4/5 − 7/9 =
  3. 3.2/3 − 5/9 =
  4. 4.2.8 × 3 =
  5. 5.1/6 × 2/3 =
  6. 6.What is 1/3 of 18 litres?
  7. 7.5.6 × 4 =
  8. 8.4/7 + 4/9 =
  9. 9.3/11 + 2/3 =
  10. 10.2.4 × 9 =
  11. 11.3.8 × 5 =
  12. 12.43.2 ÷ 6 =
  13. 13.6/8 + 2/3 =
  14. 14.18.8 ÷ 2 =
  15. 15.What is 4/5 of 40 km?
  16. 16.What is 7/9 of 108 students?
  17. 17.2/3 − 1/12 =
  18. 18.23.5 ÷ 5 =
  19. 19.3/4 + 4/6 =
  20. 20.7/8 × 1/3 =
  21. 21.7/8 + 10/12 =
  22. 22.10/11 + 2/3 =
  23. 23.2.48 + 6.5 =
  24. 24.7/10 + 5/7 =
  25. 25.7.9 × 2 =
  26. 26.63.2 ÷ 8 =
  27. 27.9.45 + 1.9 =
  28. 28.2/4 × 3/8 =
  29. 29.3/9 × 2/4 =
  30. 30.6/7 − 5/6 =
  31. 31.2.1 × 2 =
  32. 32.3/10 − 2/11 =
  33. 33.2/5 + 3/4 =
  34. 34.6/9 − 3/8 =
  35. 35.1/2 × 1/6 =
  36. 36.7/8 + 2/3 =
  37. 37.6/7 × 1/6 =
  38. 38.6/10 + 2/4 =
  39. 39.3/11 × 2/3 =
  40. 40.2.96 + 7.7 =

Answer key

  1. 120
  2. 1/45
  3. 1/9
  4. 8.4
  5. 1/9
  6. 6
  7. 22.4
  8. 64/63
  9. 31/33
  10. 21.6
  11. 19
  12. 7.2
  13. 17/12
  14. 9.4
  15. 32
  16. 84
  17. 7/12
  18. 4.7
  19. 17/12
  20. 7/24
  21. 41/24
  22. 52/33
  23. 8.98
  24. 99/70
  25. 15.8
  26. 7.9
  27. 11.35
  28. 3/16
  29. 1/6
  30. 1/42
  31. 4.2
  32. 13/110
  33. 23/20
  34. 7/24
  35. 1/12
  36. 37/24
  37. 1/7
  38. 11/10
  39. 2/11
  40. 10.66

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