Basic Math Examples

$\frac{a}{a - 7} + \frac{3 a}{a - 7}$

Step 1

Combine the numerators over the common denominator.

$\frac{a + 3 a}{a - 7}$

Step 2

Add $a$ and $3 a$ .

$\frac{4 a}{a - 7}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$