posting lowest common multiple

Author: joeyajames

lcm.py

@@ -0,0 +1,24 @@
+# computes Lowest Common Multiple LCM / Least Common Denominator LCD
+# useful for adding and subtracting fractions
+
+# 2 numbers
+def lcm(num1, num2):
+	if num1 > num2:
+		num1, num2 = num2, num1
+	for x in range (num2, num1 * num2 + 1, num2):
+		if x % num1 == 0:
+			return x
+
+# list of 3 numbers
+def lcm3(nums):
+	nums.sort()
+	worst = nums[0]*nums[1]*nums[2]
+
+	for x in range(nums[2], worst + 1, nums[2]):
+		if x % nums[0] == 0 and x % nums[1] == 0:
+			return x
+
+print(str(lcm(7, 12)))
+
+nums = [3, 2, 16]
+print(str(lcm3(nums)))