Evaluate e-1/2

$e - \frac{1}{2}$

Step 1

To write $e$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$e \cdot \frac{2}{2} - \frac{1}{2}$

Step 2

Combine fractions.

Combine $e$ and $\frac{2}{2}$ .

$\frac{e \cdot 2}{2} - \frac{1}{2}$

Combine the numerators over the common denominator.

$\frac{e \cdot 2 - 1}{2}$

Step 3

Move $2$ to the left of $e$ .

$\frac{2 e - 1}{2}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\frac{2 e - 1}{2}$

Decimal Form:

$2.21828182 \dots$