How do you combine $\frac{a}{6} + \frac{3 a}{6}$ $a/6 + (3a)/6$ ?

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Answer 1 · 2015-05-27T05:55:43

$\frac{a}{6} + \frac{3 a}{6}$ $a/6 + (3a)/6$

the denominator is common for both terms:

$= \frac{a + 3 a}{6}$ $= (a+3a)/6$
$= \frac{4 a}{6}$ $= (4a)/6$
$= \frac{2 a}{3}$ $= color(red)((2a)/3$

How do you combine a/6 + (3a)/6a6+3a6a/6 + (3a)/6?