diff --git a/fibonacciRecursion.cpp b/fibonacciRecursion.cpp
new file mode 100644
index 0000000..8834143
--- /dev/null
+++ b/fibonacciRecursion.cpp
@@ -0,0 +1,21 @@
+#include<iostream>
+using namespace std;
+int fib(int n){
+if(n==1){
+    return 0;
+}
+if(n==2){
+    return 1;
+}
+
+    // fib(n) = fib(n - 1) + fib(n - 2);
+    return fib(n - 1) + fib(n - 2);
+}
+
+int main(){
+    int n;
+   
+    cin >> n;
+    cout << fib(n);
+    return 0;
+}