Question

Express 0.123 bar in the form of p over q

Answer 1

let 0.123 bar = x
x= 0.123123123......
multiplying x by 1000 = 123.123123123......
1000x-x= 123.123123123.....- 0.123123123.....
999x= 123
x= 123/999


0.123 bar in from of p over q is 123/999