(1,23-3/5):1/30-(1 17/25+4,32):6

Question

(1,23-3/5):1/30-(1 17/25+4,32):6

Answer 1

1.23 -3/5=63/100  
63/100:1/30=18 9/10
1 17/25 +4,32=6
6:6=1
18 9 /10-1=17 9/10