Question

1/9+(-1/8) please tell me answer my exams are going on

Answer 1

1 divided by 9 - 1 / 8 on taking LCM wicket 8 - 9 by 72 the answer is minus 1 by 72

Answer 2

1/9+(-1/8) =1/9-1/8 Taking LCM  =8-9/72 =-1/72