2:2

Likely you want to simplify the ratio 2:2.

• Simplify by the greatest common divisor: gcd(2,2) = 2
• (2:2) ÷ 2 = 1:1

So, 2:2 = 1:1, and as a fraction it’s 2/2 = 1 (or 100%). If you had a different interpretation in mind, tell me.