# How do you subtract #\frac { 2} { 3} - \frac { 1} { 5}#?

##### 1 Answer

Mar 9, 2018

#### Explanation:

When adding or subtracting fractions, you must find a common denominator for both. Adding or subtracting straight across breaks math rules.

So we need to find a number that both

Our common denominator is

Now that our fractions have common denominators, we can subtract. The numerators are the only ones to change.