Fractions are fundamental to math, cooking, construction, and countless everyday calculations, but manual fraction arithmetic, especially finding common denominators, can be error-prone. This fraction calculator instantly adds, subtracts, multiplies, or divides any two fractions and automatically simplifies the result to its lowest terms. It also displays the answer as a decimal and percentage, giving you flexible ways to interpret the result depending on your needs. Whether you're a student checking homework, a teacher creating practice problems, or an adult handling a recipe or measurement conversion, this tool eliminates manual errors instantly.