2:2

2:2 simplifies to 1:1.

Reason: the greatest common divisor of 2 and 2 is 2. Divide both terms by 2 → 2/2 : 2/2 = 1:1.

Interpretation: the two parts are equal (each is 50% of the total). If you’re using this in a proportion, it means the two sides are equal. If you want more practice, I can give you a few quick examples.