Pre-Algebra Examples

$\frac{5 m}{4 n} + \frac{3 m}{4 n}$

Step 1

Combine the numerators over the common denominator.

$\frac{5 m + 3 m}{4 n}$

Step 2

Add $5 m$ and $3 m$ .

$\frac{8 m}{4 n}$

Step 3

Cancel the common factor of $8$ and $4$ .

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Step 3.1

Factor $4$ out of $8 m$ .

$\frac{4 (2 m)}{4 n}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $4$ out of $4 n$ .

$\frac{4 (2 m)}{4 (n)}$

Step 3.2.2

Cancel the common factor.

$\frac{4 (2 m)}{4 n}$

Step 3.2.3

Rewrite the expression.

$\frac{2 m}{n}$