Question

find two rational numbers between -1/2 and 1/2

Answer 1

$1). \: \: \frac{ - \frac{1}{2} + \frac{1}{2} }{2} \\ \\ \\ => \frac{0}{2} \\ \\ = > 0 \\ \\ \\ \\ 2. \: \: \: \frac{0 + \frac{1}{2} }{2} \\ \\ => \frac{ \frac{1}{2} }{2} \\ \\ => \frac{1}{4}$

Answer 2

(-1/2+1/2)/2=0/2=0 .......1st rational number
rational no. between 0/1 and 1/2
(0/1+1/2)/2=1/2/2=1/4.......2nd rational number
hope it helps....