The value of $- \frac{11}{16}$ is already in its simplest form as a negative fraction.

If you would like to convert it into a decimal, you can divide 11 by 16 and apply the negative sign:

$-\frac{11}{16} = -0.6875$

Let me know if you'd like any further details or have any specific questions!

Here are five related questions:

1. How do you convert a fraction to a decimal?
2. What are the steps for simplifying a fraction?
3. How can you add or subtract fractions with different denominators?
4. How do you convert a decimal back into a fraction?
5. What is the absolute value of $-\frac{11}{16}$?

Tip: When converting fractions to decimals, always divide the numerator by the denominator!