# C++ Program to Add Two Numbers [ Step-by-Step Explanation ]

Write a C++ Program to Add Two Numbers and Explained the Addition of Two Number Step by Step. First, Take Input of two numbers from the user and add both numbers and store the sum of the two numbers in the third variable. Below are the 5 steps solutions of Add Two Numbers. Initialise 3 variables in the as Number_First, Number_Second and Add_Two_Numbers. For example store the first number in the Number_First variable and the second number in the Number_Second.

At the last add two numbers and perform the addition and store both numbers Sum in the third variable(Add_Two_Numbers).

## C++ Program to Add Two Numbers

``````#include <iostream>
using namespace std;

int main()
{
/*C++ Program to Add Two Numbers*/

cout << "Enter Two Numbers to Add: ";
cin >> Number_First >> Second_Number;

// Addition of two numbers in stored in the Third variable Add_Two_Number.

cout << Number_First << " + " << Second_Number << " = " << Add_Two_Numbers;

return 0;
}``````

### C++ Program to Add Two Numbers Without Using Third Variable

``````#include <iostream>
using namespace std;

int main()
{
/*C++ Program to Add Two Numbers Without using the Third Variable */

int Number_First, Second_Number;

cout << "Enter Two Numbers to Add: ";
cin >> Number_First >> Second_Number;

// Addition of two numbers in stored in the First variable Number_First.
Number_First = Number_First + Second_Number;

// Prints the Addition of Two Number(Number_First)
cout << Number_First;

return 0;
}``````

### 5 Steps Explanation Add Two Numbers

• First Initialise the 3 variables in the C++ Programs.
• Ask the user to enter the 2 numbers, Which the user wants to Add or wants to perform in the two-number addition.
• Proform the addition of two Numbers
• Store the addition result in the third variable.
• Print the output of the Third Variable value.

Previous Post
Next Post

#### post written by: Ghanendra Yadav

Hi, I’m Ghanendra Yadav, SEO Expert, Professional Blogger, Programmer, and UI Developer. Get a Solution of More Than 500+ Programming Problems, and Practice All Programs in C, C++, and Java Languages. Get a Competitive Website Solution also Ie. Hackerrank Solutions and Geeksforgeeks Solutions. If You Are Interested to Learn a C Programming Language and You Don't Have Experience in Any Programming, You Should Start with a C Programming Language, Read: List of Format Specifiers in C.