diff --git a/express/lib/addition.js b/express/lib/addition.js
new file mode 100644
index 0000000..5313ba3
--- /dev/null
+++ b/express/lib/addition.js
@@ -0,0 +1,5 @@
+function (a,b) {
+	let result = a+b;
+	return result;
+}
+