Odpowiedź:
[tex]3\frac{1}{2} +5\frac{2}{3} =\frac{7}{2} +\frac{17}{3} =\frac{21}{6} +\frac{34}{6} =\frac{21+34}{6} =\frac{55}{6} =9\frac{1}{6}[/tex]
[tex]4\frac{3}{4} +1\frac1{2}=\frac{19}{4} +\frac{3}{2} =\frac{19}{4} +\frac{6}{4} =\frac{25}{4} =6\frac{1}{4}[/tex]
[tex]2\frac{3}{4} +5\frac{4}{6} =\frac{11}{4} +\frac{34}{6} =\frac{33}{12} +\frac{68}{12} =\frac{101}{12} =8\frac{4}{12} =8\frac{1}{3}[/tex]
[tex]4\frac{5}{6} +2\frac{2}{3} =\frac{29}{6} +\frac{8}{3} =\frac{29}{6} +\frac{16}{6}=\frac{45}{6} =7\frac{3}{6}=7\frac{1}{2}[/tex]
[tex]5\frac{1}{2} +2\frac{3}{5} =\frac{11}{2} +\frac{13}{5} =\frac{55}{10} +\frac{26}{10} =\frac{81}{10} =8\frac{1}{10}[/tex]
[tex]3\frac{1}{2} +1\frac{1}{3} =\frac{7}{2} +\frac{4}{3} =\frac{21}{6} +\frac{8}{6} =\frac{29}{6}= 4\frac{1}{3}[/tex]
