Odpowiedź:
[tex]3\frac{1}{8} +1,2=3\frac{1}{8} +1\frac{2}{10} =\frac{25}{8} +\frac{12}{10} =\frac{250}{80} +\frac{96}{80} =\frac{346}{80} =4\frac{13}{40}[/tex]
[tex]3\frac{1}{8}+1,2 = 3\frac{1\cdot125}{8\cdot125}+1,2 = 3\frac{125}{1000} + 1,2 = 3,125 + 1,2 = 3,325[/tex]
