Question

if 0.7 bar =p/q ,then p+q = ?

Answer 1

Suppose P/q = 0.7 bar say 1 bar means recurring

pi/q=0.77 bar
Multiply both sides by 10

10p/q =7.7 bar say 2
subtract 1 from 2 we get
10p/q-p/q=7.0
9p/q= 7
p/q=7/9
It means p= 7 and q= 9
So p+q = 7+9 = 16 answer