Question

express following mixed recurring decimal in form of p/q a. 5.712 bar ​

Answer 1

5.712 = 5712/1000

this is the answer of this question.

Answer 2

assuming bar over 0.12

5.712121212..........

let us say;

X = 5.71212

10X = 57.12

1000X = 5712.12

now we subtract the above values

1000X-10X=5712.12-57.12

990X=5655

therefore X=5655/990

=1131/198