multifigure example

gistfile1.txt

\usepackage{subcaption}

%...

\begin{figure}[htb]
\caption{Examples of Figures}
\label{fig:test}
\begin{subfigure}{.5\linewidth}

 \centering
 \includegraphics[width=.6\textwidth]{figures/fig_a.png}
 \caption{Figure A}
 \label{fig:a}

\end{subfigure}%
\begin{subfigure}{.5\linewidth}

 \centering
 \includegraphics[width=.6\textwidth]{figures/fig_b.png}
 \caption{Figure B}
 \label{fig:b}

\end{subfigure}
\end{figure}