Pre-Algebra Examples

$\frac{\sqrt{81}}{4}$

Step 1

Rewrite $81$ as $9^{2}$ .

$\frac{\sqrt{9^{2}}}{4}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

$\frac{9}{4}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{9}{4}$

Decimal Form:

$2.25$

Mixed Number Form:

$2 \frac{1}{4}$