The positive of 122, is 122, and the negative of 122, is -122. To find the negative of a number, you just add the hyphen onto the beginning of the number, and to find the inverse, you do the reciprocal, which is when you flip the number/fraction over. Since 2 is 2/1, then it would be 1/2 or one half, because you flip it over. There is no other way to explain it.
