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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 138 · 40 questions
TalentJR

How to solve it (Cross-multiply to compare): Compare a/b and c/d: work out a × d and c × b — the bigger product goes with the bigger fraction. Add: make the bottoms the same (use the LCM), add the tops, then simplify. Fraction of a number: divide by the bottom, multiply by the top (3/4 of 48 = 48 ÷ 4 × 3 = 36).

NameDateTime takenScore ___ / 40
  1. 1.2/4 + 4/7 = ? (a) 6/11 (b) 29/28 (c) 31/28 (d) 15/14
  2. 2.Which fraction is greater: 1/4 or 1/6? (a) 1/6 (b) They are equal (c) 1/4
  3. 3.What is 3/7 of 42? (a) 18 (b) 24 (c) 19 (d) 6
  4. 4.What is 1/3 of 33? (a) 11 (b) 12 (c) 10 (d) 22
  5. 5.Which fraction is greater: 7/12 or 2/3? (a) 7/12 (b) They are equal (c) 2/3
  6. 6.2/7 + 2/3 = ? (a) 2/5 (b) 1 (c) 19/21 (d) 20/21
  7. 7.Which fraction is greater: 3/4 or 3/10? (a) 3/4 (b) 3/10 (c) They are equal
  8. 8.2/4 + 4/6 = ? (a) 3/5 (b) 7/6 (c) 13/12 (d) 5/4
  9. 9.1/9 + 1/6 = ? (a) 2/9 (b) 5/18 (c) 2/15 (d) 1/3
  10. 10.1/2 + 1/5 = ? (a) 2/7 (b) 4/5 (c) 7/10 (d) 3/5
  11. 11.1/2 + 7/8 = ? (a) 11/8 (b) 5/4 (c) 3/2 (d) 4/5
  12. 12.3/4 + 1/5 = ? (a) 1 (b) 19/20 (c) 9/10 (d) 4/9
  13. 13.1/2 + 3/4 = ? (a) 2/3 (b) 1 (c) 5/4 (d) 3/2
  14. 14.6/7 + 1/2 = ? (a) 7/9 (b) 9/7 (c) 10/7 (d) 19/14
  15. 15.7/8 + 2/8 = ? (a) 1 (b) 5/4 (c) 9/8 (d) 9/16
  16. 16.What is 2/3 of 12? (a) 12 (b) 4 (c) 8 (d) 9
  17. 17.What is 1/3 of 30? (a) 10 (b) 11 (c) 20 (d) 9
  18. 18.Which fraction is greater: 4/7 or 1/5? (a) They are equal (b) 1/5 (c) 4/7
  19. 19.What is 5/7 of 77? (a) 55 (b) 22 (c) 66 (d) 11
  20. 20.What is 1/2 of 24? (a) 24 (b) 13 (c) 12 (d) 11
  21. 21.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  22. 22.What is 7/8 of 56? (a) 56 (b) 50 (c) 49 (d) 7
  23. 23.Which fraction is greater: 9/11 or 2/5? (a) They are equal (b) 2/5 (c) 9/11
  24. 24.1/8 + 1/3 = ? (a) 11/24 (b) 2/11 (c) 5/12 (d) 1/2
  25. 25.4/5 + 2/3 = ? (a) 23/15 (b) 7/5 (c) 22/15 (d) 3/4
  26. 26.1/2 + 4/5 = ? (a) 13/10 (b) 7/5 (c) 5/7 (d) 6/5
  27. 27.1/2 + 2/8 = ? (a) 3/10 (b) 5/8 (c) 7/8 (d) 3/4
  28. 28.Which fraction is greater: 5/8 or 5/12? (a) 5/8 (b) They are equal (c) 5/12
  29. 29.2/8 + 1/2 = ? (a) 7/8 (b) 3/10 (c) 3/4 (d) 5/8
  30. 30.Which fraction is greater: 7/12 or 4/7? (a) 7/12 (b) They are equal (c) 4/7
  31. 31.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) 1/4 (c) They are equal
  32. 32.Which fraction is greater: 3/5 or 1/10? (a) 1/10 (b) They are equal (c) 3/5
  33. 33.5/7 + 3/5 = ? (a) 9/7 (b) 46/35 (c) 47/35 (d) 2/3
  34. 34.1/2 + 2/3 = ? (a) 7/6 (b) 3/5 (c) 4/3 (d) 1
  35. 35.What is 3/4 of 48? (a) 12 (b) 37 (c) 36 (d) 48
  36. 36.1/9 + 4/9 = ? (a) 2/3 (b) 5/9 (c) 5/18 (d) 4/9
  37. 37.5/6 + 4/8 = ? (a) 9/14 (b) 4/3 (c) 11/8 (d) 31/24
  38. 38.Which fraction is greater: 4/5 or 6/7? (a) They are equal (b) 6/7 (c) 4/5
  39. 39.1/5 + 2/4 = ? (a) 3/4 (b) 13/20 (c) 1/3 (d) 7/10
  40. 40.What is 5/6 of 60? (a) 60 (b) 51 (c) 10 (d) 50

Answer key

  1. 15/14
  2. 1/4
  3. 18
  4. 11
  5. 2/3
  6. 20/21
  7. 3/4
  8. 7/6
  9. 5/18
  10. 7/10
  11. 11/8
  12. 19/20
  13. 5/4
  14. 19/14
  15. 9/8
  16. 8
  17. 10
  18. 4/7
  19. 55
  20. 12
  21. 5/6
  22. 49
  23. 9/11
  24. 11/24
  25. 22/15
  26. 13/10
  27. 3/4
  28. 5/8
  29. 3/4
  30. 7/12
  31. 1/4
  32. 3/5
  33. 46/35
  34. 7/6
  35. 36
  36. 5/9
  37. 4/3
  38. 6/7
  39. 7/10
  40. 50

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