### Home > AC > Chapter 12 > Lesson 12.1.1 > Problem12-10

12-10.

Describe how you add and subtract fractions that have a common denominator.

To add or subtract fractions with a common denominator, add or subtract the numerators.

For part (b), you must first find a common denominator.

1. Add or subtract the fractions below. Draw a diagram to show that your answer is correct.

1. $\frac{8}{11}-\frac{3}{11}$

1. $\frac { x } { 6 } + \frac { 2 } { 6 }$

2. What if you are given two fractions to add or subtract and the denominators are not the same? Add the fractions below and check your result on your calculator.

$\frac{1}{3}+\frac{2}{5}$