1 3/4 h = 1,75 h = 1,75 * 60 min = 105 min
1,2 h= 1,2 * 60 = 72 min
7 min = 7 * 60 s = 420 s
2/5 min = 0,4 min = 0,4 * 60 s = 24 s
300 s = 300/3600 h = 3/36 h = 1/12 h
3 min 2 s = 3 * 60 s + 2 s = 182 s
5/6 h = 5/6 * 60 min = 50 min
1/3 h = 1/3 * 3600 s = 1200 s
:)
