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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 42 · 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. 1.28.4 ÷ 4 =
  2. 2.9.8 ÷ 7 =
  3. 3.What is 9/10 of 80 students?
  4. 4.What is 2/5 of 100 litres?
  5. 5.6.3 × 7 =
  6. 6.9.5 ÷ 5 =
  7. 7.What is 1/2 of 32 students?
  8. 8.32.5 ÷ 5 =
  9. 9.What is 1/8 of 160 students?
  10. 10.1/5 × 1/2 =
  11. 11.5.45 + 1.8 =
  12. 12.9/11 + 1/2 =
  13. 13.10/11 − 10/12 =
  14. 14.8/12 − 2/7 =
  15. 15.What is 1/10 of 40 km?
  16. 16.43 ÷ 5 =
  17. 17.10/12 × 3/11 =
  18. 18.6/7 − 1/12 =
  19. 19.1/3 + 6/7 =
  20. 20.6/12 × 1/2 =
  21. 21.1/8 + 1/2 =
  22. 22.5.1 × 5 =
  23. 23.4/7 − 6/11 =
  24. 24.2/5 × 3/6 =
  25. 25.2.06 + 6.5 =
  26. 26.4.1 × 2 =
  27. 27.What is 1/2 of 22 kg?
  28. 28.1.94 + 9.7 =
  29. 29.What is 1/4 of 24 kg?
  30. 30.4/5 − 4/9 =
  31. 31.31 ÷ 5 =
  32. 32.4/5 × 4/7 =
  33. 33.2/5 + 9/11 =
  34. 34.6/9 + 1/3 =
  35. 35.7.1 × 7 =
  36. 36.What is 3/4 of 20 students?
  37. 37.6/10 + 2/4 =
  38. 38.10/11 × 6/12 =
  39. 39.3.6 × 4 =
  40. 40.1/2 − 3/9 =

Answer key

  1. 7.1
  2. 1.4
  3. 72
  4. 40
  5. 44.1
  6. 1.9
  7. 16
  8. 6.5
  9. 20
  10. 1/10
  11. 7.25
  12. 29/22
  13. 5/66
  14. 8/21
  15. 4
  16. 8.6
  17. 5/22
  18. 65/84
  19. 25/21
  20. 1/4
  21. 5/8
  22. 25.5
  23. 2/77
  24. 1/5
  25. 8.56
  26. 8.2
  27. 11
  28. 11.64
  29. 6
  30. 16/45
  31. 6.2
  32. 16/35
  33. 67/55
  34. 1
  35. 49.7
  36. 15
  37. 11/10
  38. 5/11
  39. 14.4
  40. 1/6

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