Question

What number should be added to 8/9 to get 9/8?

Answer 1

8/9 + x = 9/8
x = 9/8 - 8/9
x = 9 x 8/ 8 x 9 - 8 x 8/ 9 x 8
x= 72 - 64/72
x= 8/72 
x= 1/9  should be added to 8/9 to get 9/8

Answer 2

sub 8÷9 from 9÷8, u will get d answer