Question

express 123 (bar on 3) in the form of p/q in which p and q are integers and q is not 0

Answer 1

let x = 12.3bar-------1
multiply both sides with 10
10x = 123.3333--------2
subtracting 1 from 2
9x = 111
x= 111/9

Answer 2

let X = 12.3bar-------1

multiply both sides with 10

10X = 123.3333--------2

subtracting 1 from 2

9X = 111

X = 111/9