Answer
$\frac{a+b}{c}$
$\frac{a-b}{c}$
Work Step by Step
To add or subtract fractions with the same denominator, add or subtract the numerators and keep the denominator.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.