Question

What number should be divided by $\frac{1}{2}$ to obtain the greatest negative integer?

Answer 1

Let the number be $x$.
We know that, greatest negative integer is $-1$
According to the question,
$x÷\frac{1}{2}=-1\Rightarrow x\times 2=-1\Rightarrow x=\frac{-1}{2}$