Question

Express 0.123 bar into the form of p by where p and q are integers and q is not equal to zero

Answer 1

x=0.123bar
x*100= 0.123bar*100
100x= 12.3bar
100x*10= 12.3bar*10
1000x= 123.3bar
1000x-100= 123.3bar- 12.3bar
900x= 111
x= 111/900

Answer 2

10x=10(0.12333...)
10x=01.2333..