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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 553 · 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.What is 3/7 of 70? (a) 30 (b) 40 (c) 10 (d) 31
  2. 2.2/5 + 2/7 = ? (a) 5/7 (b) 23/35 (c) 1/3 (d) 24/35
  3. 3.2/9 + 8/9 = ? (a) 5/9 (b) 10/9 (c) 1 (d) 11/9
  4. 4.Which fraction is greater: 6/7 or 4/5? (a) They are equal (b) 4/5 (c) 6/7
  5. 5.What is 7/8 of 56? (a) 49 (b) 7 (c) 56 (d) 50
  6. 6.Which fraction is greater: 9/11 or 7/8? (a) They are equal (b) 7/8 (c) 9/11
  7. 7.Which fraction is greater: 1/4 or 5/8? (a) They are equal (b) 5/8 (c) 1/4
  8. 8.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 2/3 (c) 9/10
  9. 9.What is 1/4 of 8? (a) 6 (b) 3 (c) 2 (d) 4
  10. 10.Which fraction is greater: 1/8 or 2/5? (a) 1/8 (b) 2/5 (c) They are equal
  11. 11.What is 3/4 of 36? (a) 9 (b) 28 (c) 27 (d) 36
  12. 12.What is 2/7 of 70? (a) 50 (b) 10 (c) 30 (d) 20
  13. 13.What is 2/3 of 6? (a) 4 (b) 5 (c) 6 (d) 2
  14. 14.1/4 + 1/3 = ? (a) 2/7 (b) 1/2 (c) 7/12 (d) 2/3
  15. 15.What is 2/9 of 18? (a) 4 (b) 14 (c) 2 (d) 6
  16. 16.Which fraction is greater: 8/11 or 2/3? (a) 2/3 (b) 8/11 (c) They are equal
  17. 17.Which fraction is greater: 1/8 or 3/4? (a) They are equal (b) 3/4 (c) 1/8
  18. 18.2/8 + 1/3 = ? (a) 3/11 (b) 5/8 (c) 13/24 (d) 7/12
  19. 19.1/2 + 2/8 = ? (a) 7/8 (b) 3/4 (c) 3/10 (d) 5/8
  20. 20.What is 1/6 of 48? (a) 16 (b) 8 (c) 9 (d) 40
  21. 21.2/3 + 2/8 = ? (a) 11/12 (b) 4/11 (c) 23/24 (d) 7/8
  22. 22.Which fraction is greater: 1/10 or 2/3? (a) They are equal (b) 1/10 (c) 2/3
  23. 23.What is 6/7 of 14? (a) 14 (b) 12 (c) 2 (d) 13
  24. 24.1/3 + 4/8 = ? (a) 5/6 (b) 5/11 (c) 7/8 (d) 19/24
  25. 25.What is 1/2 of 22? (a) 11 (b) 10 (c) 12 (d) 22
  26. 26.4/6 + 3/5 = ? (a) 19/15 (b) 37/30 (c) 7/11 (d) 13/10
  27. 27.Which fraction is greater: 3/5 or 6/7? (a) They are equal (b) 3/5 (c) 6/7
  28. 28.What is 1/9 of 36? (a) 8 (b) 5 (c) 4 (d) 32
  29. 29.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1 (d) 1/2
  30. 30.Which fraction is greater: 1/9 or 1/3? (a) 1/9 (b) 1/3 (c) They are equal
  31. 31.1/4 + 7/9 = ? (a) 8/13 (b) 19/18 (c) 37/36 (d) 1
  32. 32.Which fraction is greater: 7/8 or 2/3? (a) 7/8 (b) 2/3 (c) They are equal
  33. 33.1/3 + 5/7 = ? (a) 23/21 (b) 3/5 (c) 22/21 (d) 1
  34. 34.1/2 + 1/3 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  35. 35.4/6 + 4/5 = ? (a) 8/11 (b) 43/30 (c) 22/15 (d) 3/2
  36. 36.What is 1/4 of 24? (a) 18 (b) 12 (c) 7 (d) 6
  37. 37.Which fraction is greater: 2/11 or 5/7? (a) 2/11 (b) They are equal (c) 5/7
  38. 38.What is 2/3 of 30? (a) 21 (b) 20 (c) 10 (d) 30
  39. 39.2/3 + 1/5 = ? (a) 13/15 (b) 14/15 (c) 4/5 (d) 3/8
  40. 40.Which fraction is greater: 1/5 or 7/8? (a) They are equal (b) 7/8 (c) 1/5

Answer key

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

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