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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 519 · 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. 1.3/5 + 1/4 =
  2. 2.2.55 + 6.1 =
  3. 3.6/8 − 5/9 =
  4. 4.What is 2/3 of 15 students?
  5. 5.1.4 × 2 =
  6. 6.What is 1/2 of 54 litres?
  7. 7.3/4 × 1/2 =
  8. 8.2/4 + 5/6 =
  9. 9.3/4 − 8/11 =
  10. 10.What is 1/9 of 252 kg?
  11. 11.1/2 × 10/12 =
  12. 12.7.5 × 2 =
  13. 13.9.56 + 9.5 =
  14. 14.1/7 + 1/9 =
  15. 15.6.8 ÷ 4 =
  16. 16.5/12 − 2/6 =
  17. 17.8.2 × 2 =
  18. 18.What is 1/6 of 144 litres?
  19. 19.2.7 × 5 =
  20. 20.10/11 + 3/4 =
  21. 21.3/4 × 2/3 =
  22. 22.1/4 − 1/6 =
  23. 23.What is 2/7 of 140 kg?
  24. 24.2.12 + 4.2 =
  25. 25.9/11 − 2/6 =
  26. 26.4.5 × 7 =
  27. 27.9/11 − 3/7 =
  28. 28.1.04 + 4.1 =
  29. 29.9.6 × 3 =
  30. 30.2/7 × 1/2 =
  31. 31.3/7 × 6/10 =
  32. 32.3/10 + 4/12 =
  33. 33.2/3 − 2/4 =
  34. 34.4.14 + 6.6 =
  35. 35.1/9 + 1/2 =
  36. 36.2/12 + 7/9 =
  37. 37.12.6 ÷ 7 =
  38. 38.1/6 × 1/2 =
  39. 39.4/8 − 3/10 =
  40. 40.3.5 × 2 =

Answer key

  1. 17/20
  2. 8.65
  3. 7/36
  4. 10
  5. 2.8
  6. 27
  7. 3/8
  8. 4/3
  9. 1/44
  10. 28
  11. 5/12
  12. 15
  13. 19.06
  14. 16/63
  15. 1.7
  16. 1/12
  17. 16.4
  18. 24
  19. 13.5
  20. 73/44
  21. 1/2
  22. 1/12
  23. 40
  24. 6.32
  25. 16/33
  26. 31.5
  27. 30/77
  28. 5.14
  29. 28.8
  30. 1/7
  31. 9/35
  32. 19/30
  33. 1/6
  34. 10.74
  35. 11/18
  36. 17/18
  37. 1.8
  38. 1/12
  39. 1/5
  40. 7

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