LCM Calculator
Find the least common multiple of two numbers.
The smallest number both values divide into evenly.
The math behind it
LCM(a,b) = a × b ÷ GCF(a,b).
Worked example
LCM(4, 6) = 12.
FAQ
Use?
Adding fractions with different denominators.
Find the least common multiple of two numbers.
The smallest number both values divide into evenly.
LCM(a,b) = a × b ÷ GCF(a,b).
LCM(4, 6) = 12.
Adding fractions with different denominators.