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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 413 · 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. 1.6.31 + 2.5 =
  2. 2.1/3 + 4/7 =
  3. 3.1.46 + 3.8 =
  4. 4.6/7 − 3/5 =
  5. 5.8.38 + 7.6 =
  6. 6.1/3 × 1/2 =
  7. 7.5.4 × 7 =
  8. 8.4.1 × 9 =
  9. 9.8/9 + 6/12 =
  10. 10.4/8 × 1/12 =
  11. 11.2/12 + 1/2 =
  12. 12.1/2 + 2/4 =
  13. 13.5.2 × 4 =
  14. 14.1.2 × 4 =
  15. 15.3.8 × 6 =
  16. 16.What is 7/9 of 180 students?
  17. 17.8.6 × 7 =
  18. 18.8.02 + 9.1 =
  19. 19.1/4 × 4/12 =
  20. 20.30 ÷ 4 =
  21. 21.5/6 − 6/12 =
  22. 22.6.7 × 2 =
  23. 23.1/3 − 2/12 =
  24. 24.What is 1/4 of 20 km?
  25. 25.78.4 ÷ 8 =
  26. 26.7/12 × 1/2 =
  27. 27.What is 3/4 of 28 litres?
  28. 28.What is 5/6 of 84 km?
  29. 29.4.8 × 7 =
  30. 30.1/4 + 1/2 =
  31. 31.2/12 + 1/10 =
  32. 32.What is 7/8 of 112 litres?
  33. 33.2.03 + 9.2 =
  34. 34.What is 1/3 of 21 litres?
  35. 35.7/8 + 8/10 =
  36. 36.What is 1/6 of 126 litres?
  37. 37.42.3 ÷ 9 =
  38. 38.68.4 ÷ 9 =
  39. 39.What is 1/10 of 30 litres?
  40. 40.What is 2/5 of 100 litres?

Answer key

  1. 8.81
  2. 19/21
  3. 5.26
  4. 9/35
  5. 15.98
  6. 1/6
  7. 37.8
  8. 36.9
  9. 25/18
  10. 1/24
  11. 2/3
  12. 1
  13. 20.8
  14. 4.8
  15. 22.8
  16. 140
  17. 60.2
  18. 17.12
  19. 1/12
  20. 7.5
  21. 1/3
  22. 13.4
  23. 1/6
  24. 5
  25. 9.8
  26. 7/24
  27. 21
  28. 70
  29. 33.6
  30. 3/4
  31. 4/15
  32. 98
  33. 11.23
  34. 7
  35. 67/40
  36. 21
  37. 4.7
  38. 7.6
  39. 3
  40. 40

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