Pre-Algebra Examples

$\frac{3 a + 3 b}{(a + b) (a - b)}$

Step 1

Factor $3$ out of $3 a + 3 b$ .

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Step 1.1

Factor $3$ out of $3 a$ .

$\frac{3 (a) + 3 b}{(a + b) (a - b)}$

Step 1.2

Factor $3$ out of $3 b$ .

$\frac{3 (a) + 3 (b)}{(a + b) (a - b)}$

Step 1.3

Factor $3$ out of $3 (a) + 3 (b)$ .

$\frac{3 (a + b)}{(a + b) (a - b)}$

$\frac{3 (a + b)}{(a + b) (a - b)}$

Step 2

Cancel the common factor of $a + b$ .

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Step 2.1

Cancel the common factor.

$\frac{3 (a + b)}{(a + b) (a - b)}$

Step 2.2

Rewrite the expression.

$\frac{3}{a - b}$

$\frac{3}{a - b}$

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