Here is a C program to add two numbers using procedural approach, and using simplest way available.
C Program to Add two integer numbers
Source Code:
// simple c program to add two numbers
#include <stdio.h>
int main() {
//defining variable as a integer
int num1, num2, sum;
//assigning values to the variables
num1 = 10;
num2 = 20;
//calulating sum of two numbers and result assigne to sum
sum = num1 + num2;
//now print the value of the sum in output device
printf("Sum of two number is: %d",sum);
return 0;
}Output:
Sum of two number is: 30