5⅓-(1/10+2/15):1/25 = ....

5 1/3 - (1/10 + 2/15) : 1/25 =
5 1/3 - (3/30 + 4/30) : 1/25 =
5 1/3 - (7/30 : 1/25) = 5 1/3 - (7/30 x 25/1) =
5 1/3 - 35/6 = 5 1/3 - 5 5/6 = 5 2/6 - 5 5/6 = (-3/6)
∴ hasilnya -3/6

#maafkalosalah