This document discusses adding and subtracting fractions with the same denominator. It provides examples of adding and subtracting fractions like 1/8 + 7/8 and explains that when adding or subtracting fractions with the same denominator, you calculate with the numerators and keep the denominator the same. It also defines proper fractions as fractions less than 1 and improper fractions as fractions greater than or equal to 1. Finally, it provides practice problems and tasks for students to complete including converting mixed numbers to improper fractions.