diff --git a/allalgorithms/math/gcd.py b/allalgorithms/math/gcd.py
new file mode 100644
index 0000000..85db88f
--- /dev/null
+++ b/allalgorithms/math/gcd.py
@@ -0,0 +1,5 @@
+def gcd(x, y):  
+    if x == 0 : 
+        return y  
+      
+    return gcd(y%x, x) 
\ No newline at end of file