4x-5 1/3y+61/8:z-17 11/18, если x=5/9; y=3/16; z=7/20

Question

4x-5 1/3y+61/8:z-17 11/18, если x=5/9; y=3/16; z=7/20

Answer 1

4*5/9-16/3*3/16+61/8:7/20-317/18=20/9-1+305/14-317/18=340/63