Question

In Nancy's class, 11/18 of the girls have brown eyes, 2/9 of the girls have blue eyes, and 1/6 of the girls have hazel eyes. How many of the girls have either blue or brown eyes? [Note: Write your answer in simplest form.]

Answer 1

5/6

Explanation:

To make everything easier to look at, start by making all the denominators the same;

11/18, 4/18 & 3/18

Now, you can simply add the fractions for brown and blue eyes

11/18 + 4/18 = 15/18

You can simplify this fraction by dividing by 3/3

15/18 ÷ 3/3 = 5/6