Pre-Algebra Examples

$\frac{45}{10 a - 10}$

Step 1

Cancel the common factor of $45$ and $10 a - 10$ .

Tap for more steps...

Step 1.1

Factor $5$ out of $45$ .

$\frac{5 (9)}{10 a - 10}$

Step 1.2

Cancel the common factors.

Tap for more steps...

Step 1.2.1

Factor $5$ out of $10 a$ .

$\frac{5 (9)}{5 (2 a) - 10}$

Step 1.2.2

Factor $5$ out of $- 10$ .

$\frac{5 \cdot 9}{5 (2 a) + 5 \cdot - 2}$

Step 1.2.3

Factor $5$ out of $5 (2 a) + 5 (- 2)$ .

$\frac{5 (9)}{5 (2 a - 2)}$

Step 1.2.4

Cancel the common factor.

$\frac{5 \cdot 9}{5 (2 a - 2)}$

Step 1.2.5

Rewrite the expression.

$\frac{9}{2 a - 2}$

$\frac{9}{2 a - 2}$

$\frac{9}{2 a - 2}$

Step 2

Factor $2$ out of $2 a - 2$ .

Tap for more steps...

Step 2.1

Factor $2$ out of $2 a$ .

$\frac{9}{2 (a) - 2}$

Step 2.2

Factor $2$ out of $- 2$ .

$\frac{9}{2 (a) + 2 (- 1)}$

Step 2.3

Factor $2$ out of $2 (a) + 2 (- 1)$ .

$\frac{9}{2 (a - 1)}$

$\frac{9}{2 (a - 1)}$

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