How to convert degrees, minutes and seconds

How to convert degrees, minutes and seconds

One degree = 60 minutes one minute = 60 seconds

How to calculate the conversion of degrees, minutes and seconds?
Or add or subtract?

o. '; "degrees, minutes, seconds, 1o = 60'; 1 '= 60"
50 ° 24 ′× 3 = 151.2 ° and 24 ′ can be reduced to 0.4 ° for calculation;
98 ° 12'25 ″ and 5 = 19 ° 38'29 ″ split 98 ° into 95 ° and 3 ° where 95 ° G5 = 19 ° and 3 ° into 180 ', add the following 12', that is 192 ', split 192' into 190 'and 2', 190 '/ 5 = 38', and 2 'into 120 ", add the following 25", that is 145 ", 145" and 5 = 29 "
50°24′×3+98°12′25〃÷5=170°50′29〃.

Geographic latitude and longitude: how to convert degrees, minutes and seconds?

1 degree = 60 ′ (min) 1 ′ (min) = 60 "(SEC)