Operator overloading Issue

[firoz.raj]

can anyone tell me ?why it is printing 76 instead of 86. return new Time(first.hours+second.hours, first.minutes + second.minutes);
here is the following code .what i have written.kindly let me know please...

using System;
using System.Collections.Generic;
using System.Text;

namespace oExample8
{
    public struct Time
    {
        public Time(int hours, int minutes)
        {
            this.hours = hours;
            this.minutes = minutes;
        }
        int hours, minutes;
        public static Time operator +(Time first, Time second)
        {
            return new Time(first.hours+second.hours, first.minutes + second.minutes);

        }
        public static void Main()
        {
            Time start = new Time();
            Time duration = new Time();
            Time finish = new Time();
            start.hours = 12;
            duration.minutes = 10;
            duration.hours = 1;
            duration.minutes = 76;
            finish = start + duration;
            Console.WriteLine("Finish time would be :{0} hours and {1} minutes.", finish.hours, finish.minutes);
            Console.Read();
        }

    }
}