what number would you add to -4 7/8 to get a sum of zero? What is the additive inverse of -13/15?
The number you add to a number to get 0 is the additive inverse of that number, so both questions are asking for the same thing. Additive inverses differ only by sign: so, for ex., the additive inverse of - 4 7/8 is 4 7/8. And, the additive inverse of - 13/15 is . . .?
Add the additive inverse of -4 7/8 to -4 7/8 to get 0. 4 7/8+ -4 7/80 Additive inverse of -13/1513/15.
