(7/10 + 1/2) 5/8 -1/2 parenthesis first....common denominator is 10 (7/10 + 5/10) 5/8 - 1/2 12/10 5/8 - 1/2...reduce when u can 6/5 5/8 - 1/2 now we multiply 30/40 - 1/2 3/4 - 1/2 now we subtract...common denominator is 4 3/4 - 2/4 = 1/4 <== ur answer