### Home > INT3 > Chapter 11 > Lesson 11.1.2 > Problem 11-21

11-21.

Monica’s younger sister needs to add the following fractions but she needs help. Help Monica explain to her sister how to add the fractions below by drawing diagrams or writing an explanation in words.

There are different ways to explain this. Your explanation should include the idea that she needs to create fractions with the same denominators before she can add.