552+251=
\( 5\frac{2}{5}+2\frac{1}{5}= \)
\( 6\frac{2}{6}+1\frac{2}{6}= \)
\( 2\frac{1}{3}-1\frac{2}{3}= \)
\( 10\frac{1}{2}-\frac{1}{2}= \)
\( 2\frac{2}{5}+2\frac{2}{5}= \)
\( 1\frac{2}{3}-1\frac{1}{3}= \)
\( 13\frac{2}{3}-3\frac{1}{3}= \)
\( 3\frac{1}{4}+1\frac{2}{4}= \)
\( 4\frac{1}{2}-2\frac{1}{2}= \)
\( 7\frac{1}{4}-3\frac{2}{4}= \)