2:2

Here are the likely interpretations of “2:2.” Pick the one that fits your context:

• Ratio interpretation (most common): 2:2 simplifies to 1:1. You divide both parts by their greatest common divisor (2). Example: 2 red : 2 blue = 1 red : 1 blue.

• Time signature (music notation): 2/2, also called cut time (alla breve). There are two beats per measure, and the half note gets the beat. This is often felt as a faster 4/4 with two main beats per bar. The tempo is usually set so the bar feels equivalent to two half-note beats.

• If you meant a fraction: 2/2 = 1.

Which meaning were you aiming for? If you want, I can give you practice problems for the ratio case or for 2/2 time in music.