(Haha I know this is late and you probably won't see this)
1. First, solve what is in the parenthesis. 1+1/3 is 1 1/3.
2. Now add the brackets and the square. (1 1/3)2
3. Calculate 4/3 * 4/3= 1 7/9
4. Now do the rest: 1 7/9 - 2/9
5. Answer: 1 5/9