Simplifying Fractions

import java.math.BigInteger;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        int test;

        BigInteger bi, bi1, bi2, val, val1;

        Scanner sc = new Scanner(System.in);

        test = sc.nextInt();

        while (test > 0) {

            bi = sc.nextBigInteger();

            char ch = sc.next().charAt(0);

            bi1 = sc.nextBigInteger();

            bi2 = bi.gcd(bi1);

            val = bi.divide(bi2);

            val1 = bi1.divide(bi2);

            System.out.println("" + val + " / " + val1);

            test--;
        }
    }
}