Pre-Algebra Examples

$\frac{18}{4}$

Step 1

Reduce the expression $\frac{18}{4}$ by cancelling the common factors.

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Step 1.1

Factor $2$ out of $18$ .

$\frac{2 (9)}{4}$

Step 1.2

Factor $2$ out of $4$ .

$\frac{2 \cdot 9}{2 \cdot 2}$

Step 1.3

Cancel the common factor.

$\frac{2 \cdot 9}{2 \cdot 2}$

Step 1.4

Rewrite the expression.

$\frac{9}{2}$

Step 2

Set up the division problem in long division format.

$2$

$9$

Step 3

Divide $9$ by $2$ . Place this digit in the quotient on top of the division symbol.

	$4$
$2$	$9$

Step 4

Multiply the newest quotient digit $(4)$ by the divisor $2$ .

Step 5

Subtract $8$ from $9$ .

Step 6

The result of division of $\frac{9}{2}$ is $4$ with a remainder of $1$ .

$4 \frac{1}{2}$

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