9.9 is larger than 9.11.

When comparing decimals, look at each place value from left to right:
- Both start with 9
- In the tenths place: 9.9 has 9, while 9.11 has 9
- In the hundredths place: 9.9 has 0 (since 9.9 = 9.90), while 9.11 has 1

So 9.90 < 9.11 at the hundredths place... 

Let me reconsider: 9.9 = 9.90, and 9.90 > 9.11, so **9.9 is larger**.
