Question

Show that 1.272727.......can be expressed in the form of p/q, where p and q are integers and q#0.

Answer 1

x= 1.272727.............
100x=127.272727................

100x=127.272727............
x=. 1.272727
99x=126
x=126/99

126/99 is in the form of p/q

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Answer 2

let x be= 1.272727

let 100x be = 127.27272727

100 x = 127.272727

      x =     1.272727                                                                                                                                ________________

 99x =  126.00000

_________________

99x = 126

   x = 126/99