Question

if bar 0.621=p/q find p-q​

Answer 1

Answer:

Let A = 0.621621621........

1000A = 621.621621621......

1000A - A = 621

999A = 621

A =

$\frac{621}{999} = \frac{69}{111} = \frac{23}{37}$

So p = 23 & q = 37

then p - q = 23 - 37 = - 14 Ans.