333:33

If you're simplifying the ratio 333:33:

• gcd(333, 33) = 3
• Divide both by 3: 333/3 = 111, 33/3 = 11

So the simplified ratio is 111:11.

(If you want a decimal, 333/33 = 10.090909… or 111/11 = 10.090909…, same value.)