what is.additive.inverse in.detail with a example pls post Share with your friends Share 1 Shruti Tyagi answered this Dear student, The additive inverse of a number 'a' is the number that, when added to 'a', yields zero. This number is also known as the opposite (number), sign change, and negation.Examples:additive inverse of 5 is -5additive inverse of -7 is -(-7)=7 Regards 0 View Full Answer