Piece Part Portion / Pedazo Parte Porcion Fractions Decimals Percents / Fracciones Decimales Porcentajes Author:Scott Gifford Just as hola and bonjour both mean "hello" in different languages, fractions, decimals, and percents describe the same quantities in different ways. So why are so many kids bewildered by this math basic? Because rarely is the explanation of this important concept presented so clearly.