Pre-Algebra Examples

$5 : 45$

Step 1

Convert the ratio to a fraction by making the left side of the ratio the numerator and the right side the denominator.

$\frac{5}{45}$

Step 2

Cancel the common factor of $5$ and $45$ .

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Step 2.1

Factor $5$ out of $5$ .

$\frac{5 (1)}{45}$

Step 2.2

Cancel the common factors.

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Step 2.2.1

Factor $5$ out of $45$ .

$\frac{5 \cdot 1}{5 \cdot 9}$

Step 2.2.2

Cancel the common factor.

$\frac{5 \cdot 1}{5 \cdot 9}$

Step 2.2.3

Rewrite the expression.

$\frac{1}{9}$