diff --git a/GCD/gcd.js b/GCD/gcd.js
new file mode 100644
index 0000000..c71394f
--- /dev/null
+++ b/GCD/gcd.js
@@ -0,0 +1,3 @@
+const gcd = (a, b) => (a === b ? a : a > b ? gcd(a - b, b) : gcd(a, b - a));
+
+console.log(`GCD of 15 and 20 is ${gcd(15, 20)}`);
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