Question 1084045
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Additive inverse of {{{1/2}}} is {{{-1/2}}}.


Multiplicative inverse of {{{1/2}}} is 2.


<pre>
    In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero.

    See this Wikipedia article  https://en.wikipedia.org/wiki/Additive_inverse



    A multiplicative inverse or reciprocal for a number x, denoted by 1/x or x&#8722;1, is a number 
    which when multiplied by x yields the multiplicative identity, 1.

    See this Wikipedia article  https://en.wikipedia.org/wiki/Multiplicative_inverse
</pre>