C program of Sum and subtraction of two number

 Hi there!

  The Sum and subtraction of two numbers is a basic program in the C language. 

Firstly, we need to initialize two variables along with data type int a,b, after that we need to read or assign 

 values to two numbers, then perform an athematic operation using athematic operator using like +, -, %,*

a+b or a-b between two variables and assign the value of operation to a new variable like c=a+b

for better understanding let's see the algorithm of the program

                                  Algorithm of the sum of two numbers

Step 1: Start

Step 2: Read values a and b

Step 3: Add a and b and assign the result to sum

             Sum<-a+b

Step 4: Display sum

Step 5: Stop

Program

#include<stdio.h>
#include<conio.h>
int main()
{
int a,b,c;
printf("enter a number : ");
scanf("%d",&a);
printf("enter a number :");
scanf("%d",&b);
c=a+b;
printf("Given numbers :%d,%d",a,b);
printf("sum of two numbers are :%d",c);
getch();
return 0;
}

Output

To find the subtraction of the two numbers just replace the + with -.

                             Algorithm of subtraction of two numbers

Step 1: Start

Step 2: Read values a and b

Step 3: Add a and b and assign the result to sum

             Sum<-a-b

Step 4: Display sum

Step 5: Stop

Program

#include
#include
int main()
{
int a,b,c;
printf("enter a number : ");
scanf("%d",&a);
printf("enter a number :");
scanf("%d",&b);
c=a+b;
printf("Given numbers :%d,%d",a,b);
printf("sum of two numbers are :%d",c);
getch();
return 0;
}

Output

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