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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 105 · 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. 1.9.86 + 8.5 =
  2. 2.31.6 ÷ 4 =
  3. 3.1/7 × 1/6 =
  4. 4.2/7 × 2/8 =
  5. 5.1/2 − 2/8 =
  6. 6.What is 1/3 of 42 students?
  7. 7.7/10 + 10/11 =
  8. 8.18.9 ÷ 9 =
  9. 9.What is 3/7 of 70 litres?
  10. 10.What is 2/9 of 36 litres?
  11. 11.7/9 − 1/5 =
  12. 12.3.8 × 6 =
  13. 13.4.44 + 1.8 =
  14. 14.What is 1/3 of 24 students?
  15. 15.2/3 − 1/2 =
  16. 16.What is 2/5 of 65 kg?
  17. 17.3.7 × 5 =
  18. 18.8.8 × 4 =
  19. 19.9.28 + 9.8 =
  20. 20.5/9 − 1/2 =
  21. 21.9.3 × 6 =
  22. 22.7/8 + 4/5 =
  23. 23.4.16 + 7.2 =
  24. 24.3.2 ÷ 2 =
  25. 25.3/7 × 4/6 =
  26. 26.3/11 + 1/10 =
  27. 27.6/10 × 3/6 =
  28. 28.9/11 × 1/7 =
  29. 29.What is 1/6 of 138 litres?
  30. 30.4.9 × 9 =
  31. 31.4/5 − 2/3 =
  32. 32.6.85 + 1.3 =
  33. 33.What is 3/4 of 60 km?
  34. 34.1/7 + 1/11 =
  35. 35.What is 2/3 of 54 km?
  36. 36.What is 5/7 of 63 km?
  37. 37.1/8 × 1/2 =
  38. 38.5.74 + 1.5 =
  39. 39.6/7 − 3/9 =
  40. 40.4/10 × 5/8 =

Answer key

  1. 18.36
  2. 7.9
  3. 1/42
  4. 1/14
  5. 1/4
  6. 14
  7. 177/110
  8. 2.1
  9. 30
  10. 8
  11. 26/45
  12. 22.8
  13. 6.24
  14. 8
  15. 1/6
  16. 26
  17. 18.5
  18. 35.2
  19. 19.08
  20. 1/18
  21. 55.8
  22. 67/40
  23. 11.36
  24. 1.6
  25. 2/7
  26. 41/110
  27. 3/10
  28. 9/77
  29. 23
  30. 44.1
  31. 2/15
  32. 8.15
  33. 45
  34. 18/77
  35. 36
  36. 45
  37. 1/16
  38. 7.24
  39. 11/21
  40. 1/4

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