30:(1716,19-516,19)+(73,5-44,5):7

Question

30:(1716,19-516,19)+(73,5-44,5):7

Answer 1

1716,19-516,19=1200
30:1200=30*1/1200=1/40
73,5-44,5=29
29:7=29/7=4 1/7
1/40+4 1/7=7/280+4 40/280=4 47/280

Answer 2

30:(1716,19-516,19)+(73,5-44,5):7
30:1200+29:8
0,025+29/7
1/40+29/7
1167/280