# How do you evaluate #\frac { 2} { 7} + ( - \frac { 1} { 2} )#?

##### 2 Answers

Jul 2, 2018

#### Answer:

#### Explanation:

Remove the bracket:

Create a common denominator:

Jul 2, 2018

#### Answer:

#### Explanation:

When we add or subtract fractions, we need a common denominator. Let's get our denominator to be

We can do this by multiplying

We now have

Hope this helps!