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\documentclass{article}
\usepackage{graphicx}
\begin{document}
\begin{figure}[!tbp]
\centering
\begin{minipage}[b]{0.4\textwidth}
\includegraphics[width=\textwidth]{flower1.jpg}
\caption{Flower one.}
\end{minipage}
\hfill
\begin{minipage}[b]{0.4\textwidth}
\includegraphics[width=\textwidth]{flower2.jpg}
\caption{Flower two.}
\end{minipage}
\end{figure}
\end{document}
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% By using subfigure this is ashived
\begin{figure}
\centering
\begin{subfigure}{.5\textwidth}
\centering
\includegraphics[width=.4\linewidth]{image1}
\caption{A subfigure}
\label{fig:sub1}
\end{subfigure}%
\begin{subfigure}{.5\textwidth}
\centering
\includegraphics[width=.4\linewidth]{image1}
\caption{A subfigure}
\label{fig:sub2}
\end{subfigure}
\caption{A figure with two subfigures}
\label{fig:test}
\end{figure}