Question

Find the product of additive inverse and multiplicative inverse of $-\frac{1}{3}$.
[2 marks]

Answer 1

The additive inverse of $-\frac{1}{3}=\frac{1}{3}$
[0.5 mark]

The multiplicative inverse of $\frac{-1}{3}=-3$
[0.5 mark]

$\therefore$ Required product $=\frac{1}{3}\times -3=-1$
[1 mark]