Simplify a/4+b/8

$\frac{a}{4} + \frac{b}{8}$

Step 1

To write $\frac{a}{4}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{a}{4} \cdot \frac{2}{2} + \frac{b}{8}$

Step 2

Write each expression with a common denominator of $8$ , by multiplying each by an appropriate factor of $1$ .

Multiply $\frac{a}{4}$ by $\frac{2}{2}$ .

$\frac{a \cdot 2}{4 \cdot 2} + \frac{b}{8}$

Multiply $4$ by $2$ .

$\frac{a \cdot 2}{8} + \frac{b}{8}$

Step 3

Combine the numerators over the common denominator.

$\frac{a \cdot 2 + b}{8}$

Step 4

Move $2$ to the left of $a$ .

$\frac{2 a + b}{8}$