Note: The expression you have written sounds a little unclear, but I am assuming your expression is (27)-2-2/3.
So, I am solving the question based on assuming the expression as (27)-2-2/3, which would still clear your concept.
Answer:
The expression in the simplest form is:

Explanation:
Given the expression

simplifying the expression in the simplest form




Thus, the expression in the simplest form is:
