Problem:
Add the two matrices
$\left(
\begin{array}{cc}
 -\frac{47}{7} & 0 \\
\end{array}
\right)$ and
$\left(
\begin{array}{cc}
 -9 & -\frac{3}{7} \\
\end{array}
\right)$
Answer:
$\left(
\begin{array}{cc}
 -\frac{110}{7} & -\frac{3}{7} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/add/39075.txt'}