$\frac{3-2^-1}{2}$
You asked:
Evaluate the expression: \(\frac{3 - {2}^{-1}}{2}\)
MathBot Answer:
\[\frac{3 - {2}^{-1}}{2} = \frac{5}{4} = 1.25\]
\[\begin{aligned}\frac{3 - {2}^{-1}}{2}& = \left(3 - \frac{1}{2}\right) \cdot \frac{1}{2}\\& = \frac{5}{2} \cdot \frac{1}{2}\\& = \frac{5}{4}\end{aligned}\]