(18+29-14)*5 17/(79-23+16)

1/8+2/9)*5 1/7: (7/9-2/3+1/6)=
1) 7/9-2/3+1/6=14/18-12/18+3/18=5/18
2)1/8+2/9-1/4=9/72+16/72-18/72=7/72
3)7/72* 5 1/7=7/72*36/7=1/2
4)1/2:5/18=1*18/2*5=9/5 =1 4/5