Question

Express 1.2727...in the form of pby q where pand q are inter and q#0

Answer 1

100x = 127.27........

 -   x= 1.2727

99x = 126

x = 126/99

x = 42/33

x=  14/11

Answer 2

1.27 bar in p/q form

Let 1.2727 be x (multiply now by 100)                              -1

100x = 127.27                                                                        -2

Subtracting 1 from 2

100x = 127.27

-      x = 1.2727

_____________

 99x = 126

_____________

99x = 126

x = $\frac{126}{99}$

=> $\frac{42}{33}$

Hope it helps!