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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 112 · 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. 1.5.3 × 8 =
  2. 2.3/9 − 3/10 =
  3. 3.1.91 + 1.4 =
  4. 4.18.4 ÷ 4 =
  5. 5.1.5 × 8 =
  6. 6.3.85 + 7.9 =
  7. 7.What is 1/2 of 8 students?
  8. 8.What is 5/8 of 80 litres?
  9. 9.1.64 + 9.4 =
  10. 10.5.1 × 5 =
  11. 11.1/5 − 1/7 =
  12. 12.9.93 + 4.5 =
  13. 13.8/10 × 2/3 =
  14. 14.3/7 − 3/9 =
  15. 15.2/3 − 5/9 =
  16. 16.1/2 − 1/3 =
  17. 17.2/3 × 2/5 =
  18. 18.1/2 − 4/9 =
  19. 19.3/4 − 2/6 =
  20. 20.49.2 ÷ 6 =
  21. 21.3/11 + 1/3 =
  22. 22.6/8 − 1/5 =
  23. 23.3/8 × 3/10 =
  24. 24.3.43 + 6.2 =
  25. 25.2/7 + 1/2 =
  26. 26.2/4 + 11/12 =
  27. 27.3/10 × 3/8 =
  28. 28.2/5 × 1/4 =
  29. 29.4.8 × 5 =
  30. 30.2/7 × 1/10 =
  31. 31.5/6 − 4/11 =
  32. 32.2/3 + 1/2 =
  33. 33.What is 2/3 of 24 students?
  34. 34.9.9 × 7 =
  35. 35.39.5 ÷ 5 =
  36. 36.1/2 − 1/4 =
  37. 37.3.7 × 5 =
  38. 38.1/12 + 1/2 =
  39. 39.8.9 × 3 =
  40. 40.3/4 − 4/11 =

Answer key

  1. 42.4
  2. 1/30
  3. 3.31
  4. 4.6
  5. 12
  6. 11.75
  7. 4
  8. 50
  9. 11.04
  10. 25.5
  11. 2/35
  12. 14.43
  13. 8/15
  14. 2/21
  15. 1/9
  16. 1/6
  17. 4/15
  18. 1/18
  19. 5/12
  20. 8.2
  21. 20/33
  22. 11/20
  23. 9/80
  24. 9.63
  25. 11/14
  26. 17/12
  27. 9/80
  28. 1/10
  29. 24
  30. 1/35
  31. 31/66
  32. 7/6
  33. 16
  34. 69.3
  35. 7.9
  36. 1/4
  37. 18.5
  38. 7/12
  39. 26.7
  40. 17/44

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