diff --git a/src/addFibonacci.js b/src/addFibonacci.js
new file mode 100644
index 0000000..5cabfee
--- /dev/null
+++ b/src/addFibonacci.js
@@ -0,0 +1,2 @@
+//Add all the numbers in an array which are Fibonacci numbers
+//To be implemented
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diff --git a/src/addPrime.cpp b/src/addPrime.cpp
new file mode 100644
index 0000000..d0b67c3
--- /dev/null
+++ b/src/addPrime.cpp
@@ -0,0 +1,30 @@
+//Add all the numbers in an array which are prime numbers
+
+#include<iostream>
+using namespace std;
+
+int isPrime(int a){
+    bool flag=true;
+    for(int i = 2; i <= a / 2; i++) {
+       if(a % i == 0) {
+          flag = false;
+          break;
+       }
+    }
+    return flag;
+}
+
+int main(){
+    int n = 10;
+    int arr[n];
+
+    int sum = 0;
+
+    for(int i =0; i<n; i++){
+        if(isPrime(arr[i]))
+            sum += arr[i];
+    }
+
+    cout<<"Sum of Primes: "<<sum<<endl;
+    return 0;
+}
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