Evaluate -1/2-2

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

Step 1

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

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

Step 2

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

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

Step 3

Combine the numerators over the common denominator.

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

Step 4

Simplify the numerator.

Multiply $- 2$ by $2$ .

$\frac{- 1 - 4}{2}$

Subtract $4$ from $- 1$ .

$\frac{- 5}{2}$

Step 5

Move the negative in front of the fraction.

$- \frac{5}{2}$

Step 6

The result can be shown in multiple forms.

Exact Form:

$- \frac{5}{2}$

Decimal Form:

$- 2.5$

Mixed Number Form:

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