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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 776 · 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. 1.1/4 + 2/4 = ? (a) 3/8 (b) 1 (c) 3/4 (d) 1/2
  2. 2.1/7 + 3/5 = ? (a) 1/3 (b) 5/7 (c) 27/35 (d) 26/35
  3. 3.3/7 + 1/7 = ? (a) 2/7 (b) 3/7 (c) 5/7 (d) 4/7
  4. 4.3/9 + 1/3 = ? (a) 5/9 (b) 1/3 (c) 7/9 (d) 2/3
  5. 5.5/6 + 3/8 = ? (a) 29/24 (b) 4/7 (c) 5/4 (d) 7/6
  6. 6.Which fraction is greater: 4/5 or 1/3? (a) They are equal (b) 1/3 (c) 4/5
  7. 7.Which fraction is greater: 3/4 or 6/11? (a) 3/4 (b) 6/11 (c) They are equal
  8. 8.What is 1/5 of 50? (a) 10 (b) 11 (c) 40 (d) 20
  9. 9.What is 1/3 of 36? (a) 24 (b) 12 (c) 11 (d) 13
  10. 10.What is 4/9 of 99? (a) 44 (b) 55 (c) 11 (d) 45
  11. 11.What is 1/4 of 24? (a) 6 (b) 18 (c) 12 (d) 7
  12. 12.What is 1/3 of 6? (a) 4 (b) 1 (c) 2 (d) 3
  13. 13.Which fraction is greater: 1/5 or 1/4? (a) 1/4 (b) They are equal (c) 1/5
  14. 14.What is 1/3 of 33? (a) 10 (b) 12 (c) 11 (d) 22
  15. 15.Which fraction is greater: 4/9 or 3/5? (a) They are equal (b) 4/9 (c) 3/5
  16. 16.2/4 + 1/8 = ? (a) 1/4 (b) 1/2 (c) 3/4 (d) 5/8
  17. 17.What is 2/3 of 21? (a) 14 (b) 7 (c) 21 (d) 15
  18. 18.1/3 + 2/4 = ? (a) 11/12 (b) 3/4 (c) 3/7 (d) 5/6
  19. 19.2/4 + 2/7 = ? (a) 3/4 (b) 4/11 (c) 23/28 (d) 11/14
  20. 20.What is 1/8 of 48? (a) 6 (b) 12 (c) 7 (d) 42
  21. 21.4/6 + 4/9 = ? (a) 19/18 (b) 8/15 (c) 10/9 (d) 7/6
  22. 22.Which fraction is greater: 5/12 or 3/4? (a) 3/4 (b) They are equal (c) 5/12
  23. 23.What is 1/6 of 18? (a) 15 (b) 6 (c) 3 (d) 4
  24. 24.What is 4/5 of 40? (a) 40 (b) 8 (c) 32 (d) 33
  25. 25.Which fraction is greater: 7/8 or 1/10? (a) 7/8 (b) They are equal (c) 1/10
  26. 26.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3
  27. 27.What is 1/4 of 8? (a) 6 (b) 3 (c) 4 (d) 2
  28. 28.1/2 + 6/7 = ? (a) 19/14 (b) 9/7 (c) 10/7 (d) 7/9
  29. 29.What is 1/2 of 16? (a) 9 (b) 16 (c) 8 (d) 7
  30. 30.What is 2/9 of 72? (a) 8 (b) 56 (c) 16 (d) 24
  31. 31.Which fraction is greater: 2/7 or 5/6? (a) 5/6 (b) They are equal (c) 2/7
  32. 32.1/4 + 3/9 = ? (a) 5/9 (b) 7/12 (c) 11/18 (d) 4/13
  33. 33.Which fraction is greater: 3/5 or 5/8? (a) 3/5 (b) They are equal (c) 5/8
  34. 34.Which fraction is greater: 4/7 or 5/6? (a) 4/7 (b) 5/6 (c) They are equal
  35. 35.What is 1/3 of 9? (a) 2 (b) 6 (c) 3 (d) 4
  36. 36.What is 2/5 of 25? (a) 5 (b) 10 (c) 15 (d) 11
  37. 37.6/9 + 1/2 = ? (a) 7/11 (b) 7/6 (c) 10/9 (d) 11/9
  38. 38.What is 3/4 of 44? (a) 33 (b) 44 (c) 34 (d) 11
  39. 39.What is 1/5 of 55? (a) 44 (b) 22 (c) 12 (d) 11
  40. 40.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5

Answer key

  1. 3/4
  2. 26/35
  3. 4/7
  4. 2/3
  5. 29/24
  6. 4/5
  7. 3/4
  8. 10
  9. 12
  10. 44
  11. 6
  12. 2
  13. 1/4
  14. 11
  15. 3/5
  16. 5/8
  17. 14
  18. 5/6
  19. 11/14
  20. 6
  21. 10/9
  22. 3/4
  23. 3
  24. 32
  25. 7/8
  26. 2/3
  27. 2
  28. 19/14
  29. 8
  30. 16
  31. 5/6
  32. 7/12
  33. 5/8
  34. 5/6
  35. 3
  36. 10
  37. 7/6
  38. 33
  39. 11
  40. 5/6

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