Simplify 1/5(15a+b)

$\frac{1}{5} (15 a + b)$

Apply the distributive property.

$\frac{1}{5} (15 a) + \frac{1}{5} b$

Cancel the common factor of $5$ .

Factor $5$ out of $15 a$ .

$\frac{1}{5} (5 (3 a)) + \frac{1}{5} b$

Cancel the common factor.

$\frac{1}{5} (5 (3 a)) + \frac{1}{5} b$

Rewrite the expression.

$3 a + \frac{1}{5} b$

$3 a + \frac{1}{5} b$

Combine $\frac{1}{5}$ and $b$ .

$3 a + \frac{b}{5}$

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