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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 525 · 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. 1.2/8 + 1/2 =
  2. 2.4/5 − 3/6 =
  3. 3.2.2 × 7 =
  4. 4.7.85 + 9.8 =
  5. 5.5.4 ÷ 3 =
  6. 6.8/11 + 3/4 =
  7. 7.13.2 ÷ 4 =
  8. 8.4.75 + 8.8 =
  9. 9.8/11 + 4/5 =
  10. 10.5/6 + 1/2 =
  11. 11.44.8 ÷ 8 =
  12. 12.6/7 − 2/9 =
  13. 13.1.66 + 9.3 =
  14. 14.5/6 + 6/11 =
  15. 15.1.63 + 2.2 =
  16. 16.5/12 + 2/3 =
  17. 17.1/8 + 3/5 =
  18. 18.5/6 − 1/2 =
  19. 19.What is 4/5 of 70 litres?
  20. 20.3.5 × 4 =
  21. 21.What is 1/4 of 100 km?
  22. 22.9.11 + 4.2 =
  23. 23.4/5 − 5/9 =
  24. 24.What is 1/3 of 72 students?
  25. 25.3.6 × 8 =
  26. 26.18 ÷ 5 =
  27. 27.8/11 + 4/10 =
  28. 28.What is 3/7 of 147 students?
  29. 29.What is 2/3 of 45 students?
  30. 30.What is 5/7 of 140 kg?
  31. 31.43.2 ÷ 8 =
  32. 32.6/9 × 3/7 =
  33. 33.4/7 × 1/2 =
  34. 34.4.7 × 4 =
  35. 35.9.81 + 2.9 =
  36. 36.5/7 + 11/12 =
  37. 37.What is 2/3 of 69 km?
  38. 38.6/8 × 6/10 =
  39. 39.1/2 − 1/12 =
  40. 40.2/4 − 1/6 =

Answer key

  1. 3/4
  2. 3/10
  3. 15.4
  4. 17.65
  5. 1.8
  6. 65/44
  7. 3.3
  8. 13.55
  9. 84/55
  10. 4/3
  11. 5.6
  12. 40/63
  13. 10.96
  14. 91/66
  15. 3.83
  16. 13/12
  17. 29/40
  18. 1/3
  19. 56
  20. 14
  21. 25
  22. 13.31
  23. 11/45
  24. 24
  25. 28.8
  26. 3.6
  27. 62/55
  28. 63
  29. 30
  30. 100
  31. 5.4
  32. 2/7
  33. 2/7
  34. 18.8
  35. 12.71
  36. 137/84
  37. 46
  38. 9/20
  39. 5/12
  40. 1/3

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