7/30+3/20-4 1/4= ........ jawab donk. pakai cara ya.

7/30 + 3/20 - 4 1/4
= (14/60 + 9/60) - 17/4
= 23/60 - 255/60
= - 232/60
= - 58/15 atau - 3 13/15

7/30 + 3/20 - 4 1/4
7/30 + 3/20 - 17/4
14/60 + 9/60 - 255/60
-232/60 = -3 52/60
= -3 13/15