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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 419 · 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. 1.9.82 + 9.8 =
  2. 2.1/3 + 3/8 =
  3. 3.14.4 ÷ 9 =
  4. 4.9/12 + 4/6 =
  5. 5.1/2 − 2/8 =
  6. 6.3/9 − 1/6 =
  7. 7.7/12 × 1/5 =
  8. 8.1/3 + 3/4 =
  9. 9.38.5 ÷ 7 =
  10. 10.3/8 + 1/10 =
  11. 11.2/6 − 1/5 =
  12. 12.2.5 × 4 =
  13. 13.What is 5/8 of 240 litres?
  14. 14.59.5 ÷ 7 =
  15. 15.34 ÷ 5 =
  16. 16.4/5 + 5/7 =
  17. 17.What is 2/5 of 50 km?
  18. 18.1/4 × 2/5 =
  19. 19.14.8 ÷ 2 =
  20. 20.2/3 − 2/7 =
  21. 21.6.13 + 2.1 =
  22. 22.8.4 × 9 =
  23. 23.2/5 × 5/6 =
  24. 24.3/7 × 2/3 =
  25. 25.What is 2/7 of 98 students?
  26. 26.6.3 × 5 =
  27. 27.1/3 + 3/5 =
  28. 28.1.2 × 8 =
  29. 29.What is 5/6 of 150 litres?
  30. 30.3/5 + 9/11 =
  31. 31.6/12 − 4/9 =
  32. 32.8.6 × 8 =
  33. 33.20.7 ÷ 3 =
  34. 34.What is 1/8 of 88 litres?
  35. 35.1.9 × 2 =
  36. 36.1/4 × 1/3 =
  37. 37.2.6 × 7 =
  38. 38.1/2 + 2/4 =
  39. 39.4.36 + 5.3 =
  40. 40.3.8 × 8 =

Answer key

  1. 19.62
  2. 17/24
  3. 1.6
  4. 17/12
  5. 1/4
  6. 1/6
  7. 7/60
  8. 13/12
  9. 5.5
  10. 19/40
  11. 2/15
  12. 10
  13. 150
  14. 8.5
  15. 6.8
  16. 53/35
  17. 20
  18. 1/10
  19. 7.4
  20. 8/21
  21. 8.23
  22. 75.6
  23. 1/3
  24. 2/7
  25. 28
  26. 31.5
  27. 14/15
  28. 9.6
  29. 125
  30. 78/55
  31. 1/18
  32. 68.8
  33. 6.9
  34. 11
  35. 3.8
  36. 1/12
  37. 18.2
  38. 1
  39. 9.66
  40. 30.4

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