9/11z - 4/11z

The simplified expression is 5/11z.

To simplify the expression 9/11z - 4/11z, we need to make sure the denominators are the same. Since both denominators are already 11z, we can combine the numerators directly.

The expression becomes:

(9 - 4) / 11z

Simplifying the numerator:

5 / 11z

So, the simplified expression is 5/11z.

To simplify the expression 9/11z - 4/11z, we need to find a common denominator and then combine the terms.

The denominator in both fractions is already 11z, so we don't need to find a common denominator.

To combine the fractions, we subtract the numerators while keeping the denominator the same:

(9 - 4) / 11z = 5/11z

Therefore, the simplified expression is 5/11z.