Question

Q) Express 15.23(bar on 23) in p/q form.

Answer 1

Answer:

Let, x=1.3

23

.

Then, 10x=13.

23

(1)

=13.23

23

and 1000x=1323.

23

.(2)

Now, subtracting (1) from (2) we get,

990x=1310

⇒x=

990

1310

=

99

131

Which is the required

q

p

form.