Odpowiedź:
Proszę bardzo! ;)
[tex]a)\frac{5}{6}+2\frac{1}{9}=\frac{5}{6}+\frac{19}{9}=\frac{15}{18}+\frac{38}{18}=\frac{53}{18}\\\\ b)1\frac{2}{5}+2\frac{3}{4}=\frac{7}{5}+\frac{11}{4}=\frac{28}{20}+\frac{55}{20}=\frac{83}{20}\\\\c)\frac{2}{15}+3\frac{1}{6}=\frac{2}{15}+\frac{19}{6}=\frac{4}{30}+\frac{95}{30}=\frac{99}{30}\\\\d)5\frac{5}{12}+1\frac{4}{9}=\frac{65}{12}+\frac{13}{9}=\frac{195}{36}+\frac{52}{36}=\frac{247}{36}\\\\ e)4\frac{7}{8}+7\frac{5}{6}=\frac{39}{8}+\frac{47}{6}=\frac{117}{24}+\frac{188}{24}=\frac{305}{24}\\\\[/tex]
[tex]f)13\frac{1}{15}+6\frac{2}{25}=\frac{196}{15}+\frac{152}{25}=\frac{980}{75}+\frac{456}{75}=\frac{1436}{75}[/tex]
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