What is the absolute value of −4?

The absolute valeu of a number is the distance between it and 0, that means that the absolute value of a negative or positive one is a positive

So, in this case, we have a negative number, which is -4, and, as we know, an absolute value of a number is positive, so we need to change their sign.

|-4| = 4..

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8