Add (4) and (−15).
To add 4 and -15, you simply add the two numbers together:
4 + (-15) = -11
To add (4) and (-15), you simply add the two numbers together:
4 + (-15) = -11
Therefore, the sum of 4 and -15 is -11.
4 + (-15) = -11
4 + (-15) = -11
Therefore, the sum of 4 and -15 is -11.