Subtract 3hour 15min 0 sec from 1hour 45min and 15 second

1 answer

To subtract 3 hours, 15 minutes, and 0 seconds from 1 hour, 45 minutes, and 15 seconds, we need to align the times.

  1. Start with the two times:

    • 1 hour, 45 minutes, 15 seconds
    • 3 hours, 15 minutes, 0 seconds
  2. Subtract the seconds:

    • 15 seconds - 0 seconds = 15 seconds
  3. Subtract the minutes:

    • 45 minutes - 15 minutes = 30 minutes
  4. Subtract the hours:

    • 1 hour - 3 hours = -2 hours

Now, since we have negative hours, we need to convert some of the minutes back into hours.

  1. Convert 1 hour to 60 minutes and add it to 45 minutes:

    • 1 hour = 60 minutes
    • 60 minutes + 45 minutes = 105 minutes
  2. Now subtract the 3 hours and 15 minutes from the total in minutes:

    • Convert 3 hours to minutes: 3 hours = 180 minutes
    • 180 minutes + 15 minutes = 195 minutes
  3. Now perform the subtraction:

    • 105 minutes (total minutes) - 195 minutes = -90 minutes

Now, we convert -90 minutes back into hours and minutes: -90 minutes = -1 hour and -30 minutes

Combining the negative hours and minutes: -2 hours + (-1 hour) = -3 hours -30 minutes remain.

Thus, the final result after subtracting is: -3 hours, 30 minutes, and 15 seconds.

This indicates that 3 hours, 15 minutes, and 0 seconds exceeds 1 hour, 45 minutes, and 15 seconds by 3 hours, 30 minutes, and 15 seconds.