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\begin{document}
\section{The Purpose and Definition of Fractions}
\begin{question}
What is the mathematical purpose of fractions? Illustrate your answer
by describing and drawing a situation of sharing cakes that can be
solved with whole numbers and a similar situation that requires
fractions to solve.
\examspace{3cm}
\end{question}
\begin{solution}%[print]
\includegraphics[width=.4\textwidth]{504px-Cake_quarters.svg.png}\par
\url{https://commons.wikimedia.org/wiki/File:Cake_quarters.svg}
\end{solution}
\begin{question}
Bill, Susan, and Michael purchase a 2\,m (\SI{2}{\meter}) candy rope. If they share it
equally, how much candy rope will they each get? Use a diagram to
support your answer.
\end{question}
\begin{solution}
Each one gets \SI{.666666667}{m}.\par
Each one gets \SI{2/3}{m}.
\end{solution}
\begin{question}
What is a \emph{denominator} and what does it tell you about a fraction?