IMO Practice Test — Fraction Operations

Explanation: Each is one piece short of 1; the largest bottom (5/6) is closest to 1.

Explanation: 5 + 5 = 10 → 10/12 (= 5/6).

Explanation: 3 1/2 = 7/2, so seven halves.

Explanation: 7/7 − 4/7 = 3/7.

Explanation: 1/2 + 1/2 = 1, so 2 + 1 = 3.

Explanation: 3/4 is more than 1/2 and less than 1.