Question

addition if measures of time of 20 min 40 sec and 35 min 45 sec​

Answer 1

Answer:

20 min 40 sec

+35 min 45 sec

—————————

56 min 25 sec.

Answer 2

20 min 40 sec = 1240 sec

35 min 45 sec = 2145 sec

On adding both, we get

1240 + 2145 = 3385 sec

= 3385/60 = 56 min 25 sec.