Question

hie-can anyone show me how to simplify m-1-(n-1)m/n

Answer 1

\[m-1-(n-1)m/n\]
\[(m-1)n/n - (n-1)m/n\]\[(mn-n)/n-(mn-m)/n\]\[(mn-n-mn+m)/n\]\[(m-n)/n\]\[m/n -1\]