Basic Math Examples

$9 - \frac{1}{2} \sqrt{77}$

Step 1

Combine $\sqrt{77}$ and $\frac{1}{2}$ .

$9 - \frac{\sqrt{77}}{2}$

Step 2

To write $9$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$9 \cdot \frac{2}{2} - \frac{\sqrt{77}}{2}$

Step 3

Combine $9$ and $\frac{2}{2}$ .

$\frac{9 \cdot 2}{2} - \frac{\sqrt{77}}{2}$

Step 4

Simplify the expression.

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Step 4.1

Combine the numerators over the common denominator.

$\frac{9 \cdot 2 - \sqrt{77}}{2}$

Step 4.2

Multiply $9$ by $2$ .

$\frac{18 - \sqrt{77}}{2}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$\frac{18 - \sqrt{77}}{2}$

Decimal Form:

$4.61251780 \dots$