Pre-Algebra Examples

$\frac{4 r + 16}{12}$

Step 1

Cancel the common factor of $4 r + 16$ and $12$ .

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Step 1.1

Factor $4$ out of $4 r$ .

$\frac{4 (r) + 16}{12}$

Step 1.2

Factor $4$ out of $16$ .

$\frac{4 r + 4 \cdot 4}{12}$

Step 1.3

Factor $4$ out of $4 r + 4 \cdot 4$ .

$\frac{4 (r + 4)}{12}$

Step 1.4

Cancel the common factors.

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Step 1.4.1

Factor $4$ out of $12$ .

$\frac{4 (r + 4)}{4 (3)}$

Step 1.4.2

Cancel the common factor.

$\frac{4 (r + 4)}{4 \cdot 3}$

Step 1.4.3

Rewrite the expression.

$\frac{r + 4}{3}$

Step 2

Split the fraction $\frac{r + 4}{3}$ into two fractions.

$\frac{r}{3} + \frac{4}{3}$