Create lcm.m

This function calculates the lcm of two numbers.

Author: KaushalDevrari

algorithms/maths/lcm.m

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+% function to calculate lcm of two number a and b using gcd of two numbers.
+
+function [ret] =  lcm(a, b)
+    if b == 0
+       re = a;
+       ret=(a*b)/re;    % i.e zero
+       
+    else
+       re = gcd(b, mod(a, b));
+       ret=(a*b)/re;
+    end