8 3/17× 5 1/4+3 14/17×5 1/4
21/4*(139/17+65/17)=21/4*12=63
5 1/4(8 3/17+3 14/17)=5 1/4* (11 17/17)=5 1/4* 12=21/4*12=21*3=63