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Fractions and Decimals Worksheet

Quantitative aptitude lesson 4: Fractions and decimals · Set 194 · 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. 1.1/4 + 4/5 =
  2. 2.What is 4/7 of 161 km?
  3. 3.17.1 ÷ 9 =
  4. 4.11/12 − 3/9 =
  5. 5.2/7 − 2/9 =
  6. 6.5/6 − 3/4 =
  7. 7.9.4 × 5 =
  8. 8.What is 1/2 of 52 km?
  9. 9.3/10 − 1/4 =
  10. 10.8.4 ÷ 4 =
  11. 11.7/11 − 2/4 =
  12. 12.7.2 × 3 =
  13. 13.1/2 + 1/5 =
  14. 14.1.6 × 4 =
  15. 15.2/5 + 1/7 =
  16. 16.8/12 × 1/2 =
  17. 17.1/2 × 10/12 =
  18. 18.1/4 × 1/2 =
  19. 19.27.6 ÷ 6 =
  20. 20.3.2 × 2 =
  21. 21.3/4 + 10/12 =
  22. 22.6.9 × 7 =
  23. 23.What is 1/9 of 54 students?
  24. 24.1/6 + 1/5 =
  25. 25.19.6 ÷ 4 =
  26. 26.5/7 − 1/3 =
  27. 27.21.3 ÷ 3 =
  28. 28.2.6 × 2 =
  29. 29.1/2 × 4/9 =
  30. 30.9/11 + 1/3 =
  31. 31.2/9 + 2/11 =
  32. 32.4/5 × 1/2 =
  33. 33.4/5 × 3/4 =
  34. 34.1/2 + 2/6 =
  35. 35.3/5 × 1/8 =
  36. 36.3/7 − 1/3 =
  37. 37.1/11 + 4/7 =
  38. 38.8/10 × 3/5 =
  39. 39.10/12 − 1/2 =
  40. 40.What is 2/5 of 105 km?

Answer key

  1. 21/20
  2. 92
  3. 1.9
  4. 7/12
  5. 4/63
  6. 1/12
  7. 47
  8. 26
  9. 1/20
  10. 2.1
  11. 3/22
  12. 21.6
  13. 7/10
  14. 6.4
  15. 19/35
  16. 1/3
  17. 5/12
  18. 1/8
  19. 4.6
  20. 6.4
  21. 19/12
  22. 48.3
  23. 6
  24. 11/30
  25. 4.9
  26. 8/21
  27. 7.1
  28. 5.2
  29. 2/9
  30. 38/33
  31. 40/99
  32. 2/5
  33. 3/5
  34. 5/6
  35. 3/40
  36. 2/21
  37. 51/77
  38. 12/25
  39. 1/3
  40. 42

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