Java

Write a program for enter decimal number and display the number in fraction.
[ Read decimal number as string ]

import java.util.*;

class DecimalPoint {

public static void main(String args[]) {

String str;

double temp;

int i = 1;

Scanner sc = new Scanner(System.in);

System.out.print("Enter number : ");

str = sc.nextLine();

double num = Double.parseDouble(str);

do {

temp = num * i;

i++;

}while(temp%1 != 0);

System.out.println(temp + "/" + (i-1));

  }

}

Output :