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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 587 · 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.Which fraction is greater: 5/6 or 7/10? (a) 7/10 (b) 5/6 (c) They are equal
  2. 2.Which fraction is greater: 1/3 or 4/7? (a) They are equal (b) 4/7 (c) 1/3
  3. 3.What is 5/7 of 21? (a) 3 (b) 15 (c) 6 (d) 18
  4. 4.1/2 + 2/8 = ? (a) 5/8 (b) 7/8 (c) 3/10 (d) 3/4
  5. 5.What is 2/3 of 18? (a) 18 (b) 13 (c) 6 (d) 12
  6. 6.Which fraction is greater: 7/9 or 1/12? (a) 1/12 (b) 7/9 (c) They are equal
  7. 7.1/2 + 1/8 = ? (a) 3/4 (b) 1/2 (c) 5/8 (d) 1/5
  8. 8.5/8 + 1/2 = ? (a) 1 (b) 3/5 (c) 5/4 (d) 9/8
  9. 9.What is 7/8 of 64? (a) 8 (b) 57 (c) 56 (d) 64
  10. 10.1/8 + 1/2 = ? (a) 3/4 (b) 1/5 (c) 5/8 (d) 1/2
  11. 11.What is 5/9 of 81? (a) 45 (b) 54 (c) 9 (d) 36
  12. 12.What is 1/9 of 18? (a) 16 (b) 4 (c) 2 (d) 3
  13. 13.Which fraction is greater: 6/11 or 1/7? (a) 6/11 (b) They are equal (c) 1/7
  14. 14.Which fraction is greater: 6/11 or 4/5? (a) They are equal (b) 4/5 (c) 6/11
  15. 15.What is 3/5 of 60? (a) 24 (b) 48 (c) 36 (d) 12
  16. 16.Which fraction is greater: 5/6 or 2/7? (a) 5/6 (b) 2/7 (c) They are equal
  17. 17.What is 2/3 of 24? (a) 17 (b) 16 (c) 24 (d) 8
  18. 18.Which fraction is greater: 3/10 or 1/3? (a) They are equal (b) 1/3 (c) 3/10
  19. 19.Which fraction is greater: 7/11 or 1/3? (a) 1/3 (b) 7/11 (c) They are equal
  20. 20.What is 2/3 of 33? (a) 11 (b) 33 (c) 22 (d) 23
  21. 21.What is 4/5 of 40? (a) 40 (b) 8 (c) 33 (d) 32
  22. 22.What is 5/6 of 36? (a) 6 (b) 30 (c) 31 (d) 36
  23. 23.Which fraction is greater: 2/9 or 2/5? (a) 2/5 (b) 2/9 (c) They are equal
  24. 24.What is 2/3 of 36? (a) 25 (b) 24 (c) 36 (d) 12
  25. 25.1/3 + 1/4 = ? (a) 7/12 (b) 1/2 (c) 2/7 (d) 2/3
  26. 26.1/2 + 1/4 = ? (a) 1 (b) 1/3 (c) 3/4 (d) 1/2
  27. 27.Which fraction is greater: 7/11 or 11/12? (a) 7/11 (b) They are equal (c) 11/12
  28. 28.Which fraction is greater: 1/3 or 5/6? (a) 1/3 (b) They are equal (c) 5/6
  29. 29.2/3 + 1/8 = ? (a) 19/24 (b) 3/11 (c) 5/6 (d) 3/4
  30. 30.1/3 + 1/5 = ? (a) 7/15 (b) 3/5 (c) 8/15 (d) 1/4
  31. 31.Which fraction is greater: 5/8 or 2/3? (a) They are equal (b) 5/8 (c) 2/3
  32. 32.1/2 + 3/5 = ? (a) 6/5 (b) 4/7 (c) 11/10 (d) 1
  33. 33.What is 1/9 of 81? (a) 72 (b) 9 (c) 18 (d) 10
  34. 34.2/7 + 1/5 = ? (a) 17/35 (b) 18/35 (c) 1/4 (d) 16/35
  35. 35.Which fraction is greater: 1/4 or 3/8? (a) 3/8 (b) They are equal (c) 1/4
  36. 36.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  37. 37.What is 1/8 of 48? (a) 12 (b) 7 (c) 42 (d) 6
  38. 38.Which fraction is greater: 2/5 or 5/7? (a) They are equal (b) 5/7 (c) 2/5
  39. 39.3/7 + 1/4 = ? (a) 4/11 (b) 5/7 (c) 9/14 (d) 19/28
  40. 40.What is 3/4 of 36? (a) 36 (b) 9 (c) 27 (d) 28

Answer key

  1. 5/6
  2. 4/7
  3. 15
  4. 3/4
  5. 12
  6. 7/9
  7. 5/8
  8. 9/8
  9. 56
  10. 5/8
  11. 45
  12. 2
  13. 6/11
  14. 4/5
  15. 36
  16. 5/6
  17. 16
  18. 1/3
  19. 7/11
  20. 22
  21. 32
  22. 30
  23. 2/5
  24. 24
  25. 7/12
  26. 3/4
  27. 11/12
  28. 5/6
  29. 19/24
  30. 8/15
  31. 2/3
  32. 11/10
  33. 9
  34. 17/35
  35. 3/8
  36. 1
  37. 6
  38. 5/7
  39. 19/28
  40. 27

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