Question

P/q form of 3.123 bar on 23

Answer 1

let

x=3.1232323232..........

the bar has two digits number so multiply with 100

100x=312.323232323232...........

     x=3.12323232323232............

99x=309.19...............

x=30919/9900

Answer 2

Answer:

1556/495

Step-by-step explanation:

   __

3.123

3 decimal digits so multiplied by 1000

        $x$ = 3.123232323232323...........

    10$x$ = 31.23232323232323...........

1000$x$ = 3123.232323232323...........

 990$x$ = 3123.232323232323..........
                  31.232323232323..........

 990$x$ = 3112
        $x$ = 3112/990 = 1556/495
        Important Note:- 232323..........
                                    -232323.........

                                    =0
So, Decimals cancel out