Выполните действие:

\(\frac{1-m}{p-q} - \frac{1-3m }{p-q}\) .

• \(\frac{2m}{p-q}\)
• \(\frac{2-m}{p-q}\)
• \(\frac{2m}{p+q}\)
• \(\frac{2m}{q-p}\)