两道六年级上册数学题,麻烦您解答一下,不胜感激.

题目

两道六年级上册数学题,麻烦您解答一下,不胜感激.
（八分之三+二十七分之一）X8+二十七分之十九
9X八分之五+8除以五分之八-62.5%

答案

(3/8+1/27)×8+19/27
=3/8×8+1/27×8+19/27
=3+(8/27+19/27)
=3+1
=4
9×5/8+8÷8/5-62.5%
=9×5/8+8×5/8-5/8×1
=(9+8-1)×5/8
=16×5/8
=10