Question

Express each of the following decimal in the form of pq
(i) 1.272727…​

Answer 1

x=1.272727.____....(1)

multiply both sides by 100

100x=100*1.2727..

100x=127.2727....

100x=126+1.272727.

100x=126+x [from (1)]

100x - x = 126 99 x = 126

x = 126/99 - 42/33 =14/11

hope helpful