The sum of a number and its additive inverse is 0.
4 15
Practice makes perfect
The sum of a number and its additive inverse is 0. We can find the additive inverse by changing the sign of the given number.
a + ( - a)=0
We can follow this line of thinking with the given number.
-4 15 + 41/5=0
The additive inverse of -4 15 is 4 15.