Arithmetic & Basics
Basic

Mixed Number to Fraction

Convert a mixed number to an improper fraction.

Formula

abc=ac+bca\frac{b}{c} = \frac{ac + b}{c}

Variables

aWhole
bNumerator
cDenominator

Example

2½ = 5/2

Did You Know?

Mixed numbers like 2½ are an everyday hangover from Roman and medieval arithmetic, long before decimals became common.