(2.81+4.00)/2
You asked:
Evaluate the expression: \(\frac{2.81 + 4.00}{2}\)
MathBot Answer:
\[\frac{2.81 + 4.00}{2} = \frac{681}{200} = 3.405\]
\[\begin{aligned}\frac{2.81 + 4.00}{2}& = \left(2 + \frac{81}{100} + 4\right) \cdot \frac{1}{2}\\& = \left(\frac{281}{100} + 4\right) \cdot \frac{1}{2}\\& = \frac{681}{100} \cdot \frac{1}{2}\\& = \frac{681}{200}\end{aligned}\]