[tex]1 \frac{2}{5} + \frac{1}{5} = \frac{7}{5} + \frac{1}{5} = \frac{8}{5} = 1 \frac{3}{5} [/tex]
[tex] \frac{4}{8} + 1 \frac{3}{8} = \frac{4}{8} + \frac{11}{8} = \frac{15}{8} = 1 \frac{7}{8} [/tex]
[tex] \frac{3}{7} + 1 \frac{2}{7} = \frac{3}{7} + \frac{9}{7} = \frac{12}{7} = 1 \frac{5}{7} [/tex]
[tex]2 \frac{2}{3} + \frac{1}{3} = \frac{8}{3} + \frac{1}{3} = \frac{9}{3} = 3[/tex]
[tex]1 \frac{1}{4} + \frac{3}{4} = \frac{5}{4} + \frac{3}{4} = \frac{8}{4} = 2[/tex]
[tex] \frac{6}{10} + 3 \frac{4}{10} = \frac{6}{10} + \frac{34}{10} = \frac{40}{10} = 4[/tex]
[tex]2 \frac{1}{2} + 1 = \frac{5}{2} + 1 = 2 \frac{1}{2} + 1 = 3 \frac{1}{2} [/tex]
[tex]2 + 1 \frac{1}{3} = 2 + \frac{4}{3} = 2 + 1 \frac{1}{3} = 3 \frac{1}{3} [/tex]
[tex] \frac{2}{10} + 1 \frac{3}{10} = \frac{2}{10} + \frac{13}{10} = \frac{2}{10} + 1 \frac{3}{10} = 1 \frac{5}{10} = 1 \frac{1}{2} [/tex]
Pozdrawiam :))
