Pre-Algebra Examples

$45 %$

Step 1

To convert from percent grade to slope, divide the percent grade by a hundred.

$45 % = \frac{45}{100}$

Step 2

Cancel the common factor of $45$ and $100$ .

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Step 2.1

Factor $5$ out of $45$ .

$\frac{5 (9)}{100}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $5$ out of $100$ .

$\frac{5 \cdot 9}{5 \cdot 20}$

Step 2.2.2

Cancel the common factor.

$\frac{5 \cdot 9}{5 \cdot 20}$

Step 2.2.3

Rewrite the expression.

$\frac{9}{20}$