The Greenwoods Add and Subtract Fractions with Like Denominators

Brea is confused about adding and subtracting fractions with like denominators. She just doesn't understand why 3/5 + 1/5 isn't 4/10 or why 5/7 - 1/7 isn't 4/0. However, it all makes sense after her big brother Miles relates the fractions to eating pizza, playing volleyball, and counting money.