[Refactor] Add util to merge input spec (#2834)

src/utils/mathUtil.ts

@@ -0,0 +1,21 @@
+/**
+ * Finds the greatest common divisor (GCD) for two numbers.
+ *
+ * @param a - The first number.
+ * @param b - The second number.
+ * @returns The GCD of the two numbers.
+ */
+export const gcd = (a: number, b: number): number => {
+  return b === 0 ? a : gcd(b, a % b)
+}
+
+/**
+ * Finds the least common multiple (LCM) for two numbers.
+ *
+ * @param a - The first number.
+ * @param b - The second number.
+ * @returns The LCM of the two numbers.
+ */
+export const lcm = (a: number, b: number): number => {
+  return Math.abs(a * b) / gcd(a, b)
+}