# How do you solve #\frac { w } { 3} + \frac { 2} { 5} = \frac { 1} { 15}#?

##### 1 Answer

Nov 19, 2016

#### Explanation:

You need to find the (lowest) common denominator and since

$$15\cdot \frac { w } { 3} +15\cdot \frac { 2} { 5} =15\cdot \frac { 1} { 15}$$

$$5w+3 \cdot 2=1$$

$$5w+6=1$$

$$5w=1-6$$

$$5w=-5$$

$$w=-1$$