Evaluate 1/2-3/4

$\frac{1}{2} - \frac{3}{4}$

Step 1

To write $\frac{1}{2}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{1}{2} \cdot \frac{2}{2} - \frac{3}{4}$

Step 2

Write each expression with a common denominator of $4$ , by multiplying each by an appropriate factor of $1$ .

Multiply $\frac{1}{2}$ by $\frac{2}{2}$ .

$\frac{2}{2 \cdot 2} - \frac{3}{4}$

Multiply $2$ by $2$ .

$\frac{2}{4} - \frac{3}{4}$

Step 3

Combine the numerators over the common denominator.

$\frac{2 - 3}{4}$

Step 4

Subtract $3$ from $2$ .

$\frac{- 1}{4}$

Step 5

Move the negative in front of the fraction.

$- \frac{1}{4}$

Step 6

The result can be shown in multiple forms.

Exact Form:

$- \frac{1}{4}$

Decimal Form:

$- 0.25$