C Program to Divide Two Numbers

This program demonstrates how to divide two numbers in C, a fundamental operation for beginners learning arithmetic and input-output functions.

In this tutorial, you’ll learn how to write a C program to take two numbers as input, divide the first by the second, and display the result.

Concept Overview

C programming allows arithmetic operations using basic operators. The '/' operator is used to divide one number by another. Care must be taken to avoid division by zero.

Program

#include <stdio.h>

int main() {
    int numerator, denominator;
    float quotient;

    // Ask the user to enter two numbers
    printf("Enter numerator: ");
    scanf("%d", &numerator);

    printf("Enter denominator: ");
    scanf("%d", &denominator);

    // Check for division by zero
    if (denominator == 0) {
        printf("Error: Division by zero is not allowed.\n");
    } else {
        // Perform division
        quotient = (float)numerator / denominator;
        // Display the result
        printf("Quotient = %.2f\n", quotient);
    }

    return 0;
}

Output

Enter numerator: 20
Enter denominator: 5
Quotient = 4

Explanation

• `#include ` – Includes the standard input-output library for using `printf()` and `scanf()` functions.
• `int numerator, denominator; float quotient;` – Declares two integers and a float to store the quotient.
• `scanf()` – Takes user input for numerator and denominator.
• Checks if denominator is not zero to avoid division by zero error.
• `quotient = (float)numerator / denominator;` – Performs the division operation and stores it as a float.
• `printf()` – Displays the result on the screen.