Complete. Name the property used.

\(\begin{align}
\left(3\frac{4}{10}+5\frac{2}{10}\right)+\frac{6}{10}
\end{align} \)

\(\begin{align}
\left(2\frac{7}{8}+3\frac{2}{8}\right)+1\frac{1}{8}
\end{align} \)

\(\begin{align}
1\frac{2}{5}+\left(1+\frac{3}{5}\right)
\end{align} \)

\(\begin{align}
5\frac{3}{6}+\left(5\frac{5}{6}+4\frac{3}{6}\right)
\end{align} \)

\(\begin{align}
\left(1\frac{1}{4}+1\frac{1}{4}\right)+2\frac{3}{4}
\end{align} \)

\(\begin{align}
\left(12\frac{4}{9}+1\frac{2}{9}\right)+3\frac{5}{9}
\end{align} \)

\(\begin{align}
\left(\frac{3}{12}+1\frac{8}{12}\right)+\frac{9}{12}
\end{align} \)

\(\begin{align}
\left(45\frac{1}{3}+6\frac{1}{3}\right)+38\frac{2}{3}
\end{align} \)

\(\begin{align}
\frac{1}{2}+\left(103\frac{1}{2}+12\right)
\end{align} \)

\(\begin{align}
\left(3\frac{5}{10}+10\right)+11\frac{5}{10}
\end{align} \)

Pablo is training for a marathon. He ran \(5\frac{4}{8}\) miles on Friday, \(6\frac{5}{8}\) miles on Saturday, and \(7\frac{4}{8}\) miles on Sunday. How many miles did he run on all three days?

At lunchtime, Dale’s Diner served a total of \(2\frac{2}{6}\) pots of vegetable soup, \(3\frac{5}{6}\) pots of chicken soup, and \(4\frac{3}{6}\) pots of tomato soup. How many pots of soup were served in all?

Which property of addition would you use to regroup the addends in Expression A?

Which two expressions have the same value?

Match the equation with the property used.