Odpowiedź:
a)
2[tex]\frac{3}{5}[/tex]
7[tex]\frac{5}{7}[/tex]
b)
7[tex]\frac{4}{5}[/tex]
6[tex]\frac{1}{4}[/tex]
[tex]6.a)1 \frac{2}{5} + 1 \frac{1}{5} = 2 \frac{3}{5} \\ 4 \frac{2}{7} + 3 \frac{3}{7} = 7 \frac{5}{7} \\ [/tex]
[tex]b)2 \frac{4}{5} + 5 = 7 \frac{4}{5} \\ 2 + 4 \frac{1}{4} = 6 \frac{1}{4} [/tex]
[tex]c)3 \frac{1}{3} + \frac{2}{3} = 3 \frac{3}{3} = 4 \\ 5 \frac{3}{8} + 1 \frac{5}{8} = 6 \frac{8}{8} = 7[/tex]
