Question

if rational number p/q= p/-q,
find p​

Answer 1

$\dfrac {p}{q}=\dfrac {p}{-q}\\\\\\-pq=pq\\\\\\pq+pq=0\\\\\\2pq=0\\\\\\pq=0\\\\\\\text{Since \ q \ was the denominator of \ \dfrac {p}{q},\ q\neq0. }\\\\\\\large\boxed {\mathbf {\therefore\ p=0}}$