Pre-Algebra Examples

$45 \cdot \frac{2}{3}$

Step 1

Cancel the common factor of $3$ .

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Step 1.1

Factor $3$ out of $45$ .

$3 (15) \cdot \frac{2}{3}$

Step 1.2

Cancel the common factor.

$3 \cdot 15 \cdot \frac{2}{3}$

Step 1.3

Rewrite the expression.

$15 \cdot 2$

$15 \cdot 2$

Step 2

Multiply $15$ by $2$ .

$30$

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