diff --git a/Euclid_Algorithm.cpp b/Euclid_Algorithm.cpp
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+++ b/Euclid_Algorithm.cpp
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+// Euclid Algorithm explains about calculating GCD of numbers
+// GCD of two numbers is the largest number that divides both of them. A simple way to find GCD is to factorize both numbers and multiply common factors.
+//Euclidean Algorithm
+/* #include <iostream>
+#include <string>
+
+int gcd(int a, int b) 
+{ 
+    // Everything divides 0  
+    if (a == 0) 
+       return b; 
+    if (b == 0) 
+       return a; 
+  
+    // base case 
+    if (a == b) 
+        return a; 
+  
+    // a is greater 
+    if (a > b) 
+        return gcd(a-b, b); 
+    return gcd(a, b-a); 
+}
+
+*/
+
+//Actual implementation
+
+// C++ program to demonstrate 
+// Basic Euclidean Algorithm 
+#include <bits/stdc++.h> 
+using namespace std; 
+
+// Function to return 
+// gcd of a and b 
+int gcd(int a, int b) 
+{ 
+	if (a == 0) 
+		return b; 
+	return gcd(b % a, a); 
+} 
+
+// Driver Code 
+int main() 
+{ 
+	int a = 10, b = 15; 
+	cout << "GCD(" << a << ", "
+		<< b << ") = " << gcd(a, b) 
+						<< endl; 
+	a = 35, b = 10; 
+	cout << "GCD(" << a << ", "
+		<< b << ") = " << gcd(a, b) 
+						<< endl; 
+	a = 31, b = 2; 
+	cout << "GCD(" << a << ", "
+		<< b << ") = " << gcd(a, b) 
+						<< endl; 
+	return 0; 
+} 
+
+// This code is contributed 
+// by Nimit Garg