3,6+2,6=6,2
1\frac{5}{8}+2\frac{3}{8}=3\frac{8}{8}=4
6-2,7=3,3
1,4-1,8=3,2
6\frac{1}{2}-1\frac{1}{4}=6\frac{2}{4}-1\frac{1}{4}=7\frac{3}{4}
5-3\frac{3}{7}=1\frac{4}{7}
…
\frac{1}{6}+\frac{2}{5}=\frac{5}{30}+\frac{12}{30}=\frac{17}{30}
\frac{8}{9}-\frac{5}{6}=\frac{16}{18}-\frac{15}{18}=\frac{1}{18}=
1\frac{1}{5}+8\frac{1}{7}=1\frac{7}{35}+8\frac{5}{35}=9\frac{12}{35}
4\frac{7}{10}-2\frac{1}{3}=4\frac{21}{30}-2\frac{10}{30}=2\frac{11}{30}
4\frac{1}{5}-7,10=4,2-7,10=-2,9
6\frac{1}{8}-2\frac{3}{4}=6\frac{1}{8}-2\frac{6}{8}=3\frac{3}{8}
10\frac{2}{3}-6\frac{7}{9}=10\frac{6}{9}-6\frac{7}{9}=2\frac{8}{9}
9\frac{3}{8}-2\frac{5}{6}= 9\frac{9}{24}-2\frac{20}{24}=6\frac{13}{24}