9 3/4 + 7 2/17 - 9 1/15=?  Answers
A) 7 719/1020	B) 9 817/1020	C) 9 719/1020	D) 7 817/1020	E) None of them
Given sum=9+3/4+7+2/17-(9+1/15)   =(9+7-9)+(3/4+2/17-1/15)   =7+(765+120-68/1020   =7 817/1020   Answer is 7 817/1020
<result>D</result>
9 3/4 + 7 2/17 - 9 1/15=?