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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 245 · 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. 1.2.8 × 4 =
  2. 2.4/7 + 1/2 =
  3. 3.1/2 × 9/11 =
  4. 4.4/7 × 10/12 =
  5. 5.3/4 − 1/3 =
  6. 6.2.05 + 8.8 =
  7. 7.3.7 × 9 =
  8. 8.7.5 × 3 =
  9. 9.3.09 + 5.2 =
  10. 10.23.4 ÷ 9 =
  11. 11.1/2 + 4/5 =
  12. 12.15.6 ÷ 6 =
  13. 13.8/10 − 1/5 =
  14. 14.1/7 + 3/5 =
  15. 15.8.9 × 3 =
  16. 16.3.12 + 1.6 =
  17. 17.1/2 − 1/4 =
  18. 18.4/5 + 1/3 =
  19. 19.4.1 × 7 =
  20. 20.What is 1/2 of 50 students?
  21. 21.7/8 + 5/7 =
  22. 22.What is 5/8 of 224 litres?
  23. 23.2/3 × 3/10 =
  24. 24.6.4 ÷ 2 =
  25. 25.2/4 + 3/10 =
  26. 26.4/8 − 2/7 =
  27. 27.What is 4/7 of 63 km?
  28. 28.5/9 × 1/3 =
  29. 29.2/4 + 1/3 =
  30. 30.5/6 − 6/9 =
  31. 31.9.9 × 4 =
  32. 32.5/7 × 3/11 =
  33. 33.4.21 + 8.7 =
  34. 34.10/12 − 6/9 =
  35. 35.4/10 × 5/8 =
  36. 36.1/2 − 2/5 =
  37. 37.1/3 + 4/11 =
  38. 38.5.3 × 6 =
  39. 39.1/3 − 2/11 =
  40. 40.1.15 + 6.4 =

Answer key

  1. 11.2
  2. 15/14
  3. 9/22
  4. 10/21
  5. 5/12
  6. 10.85
  7. 33.3
  8. 22.5
  9. 8.29
  10. 2.6
  11. 13/10
  12. 2.6
  13. 3/5
  14. 26/35
  15. 26.7
  16. 4.72
  17. 1/4
  18. 17/15
  19. 28.7
  20. 25
  21. 89/56
  22. 140
  23. 1/5
  24. 3.2
  25. 4/5
  26. 3/14
  27. 36
  28. 5/27
  29. 5/6
  30. 1/6
  31. 39.6
  32. 15/77
  33. 12.91
  34. 1/6
  35. 1/4
  36. 1/10
  37. 23/33
  38. 31.8
  39. 5/33
  40. 7.55

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