1 hour 46 minutes and 40 seconds + 1 hour 27 minutes and 55 seconds =
Dear Student!
We know that, 60 seconds = 1 minute and 60 minutes = 1 hour
The given time is 1 hour 46 minutes 40 seconds and 1 hour 27 minutes 55 seconds.
1 hour 46 minutes 40 seconds + 1 hour 27 minutes 55 seconds
∴ 1 hour 46 minutes 40 seconds + 1 hour 27 minutes 55 seconds = 3 hours 14 minutes 35 seconds
Cheers!