4 2/3 x 6 - 1 23/42 x 3 1/13 + 2 1/8 x 1 29/51
(14/3)*6-(65/42)*(40/13)+(17/8)*(80/51)=28-100/21+10/3=(588-100+70)/21=558/21= 26 12/21=26 4/7