Question

Question statement
Find the difference.
$4-{5_2}^1$

Answer 1

Step 1:

$$\begin{gathered} 4-\frac{11}{2} \\ =\frac{(4\times 2)}{2}-\frac{11}{2} \\ =\frac{8}{2}-\frac{11}{2} \\ =-\frac{3}{2} \end{gathered}$$

Final answer:

$=-\frac{3}{2}$