Add -21-11. What is the answer?

The sum of -21 and -11 is -32.

To add -21 and -11, follow these steps:

Step 1: Write down the two numbers to be added: -21 and -11.
Step 2: Add the numbers together: -21 + -11 = -32.
Step 3: The sum of -21 and -11 is -32.

So, the answer to -21 + -11 is -32.