Question

what is the additive and multiplicative inverse of -2/3?

Answer 1

The additive inverse will be the number added to -2/3 that will make it equal to 0.

The multiplicative inverse if the number multiplied with -2/3 that will make it equal to 1.

Answer 2

additive inverse, is x such that: \[\frac{-2}{3}+x=0 \]
multiplicative inverse, is x such that:
\[ \frac{-2}{3}x=1\]