Odpowiedź:
Zad.1
a)
[tex] \frac{12}{16} \frac{5}{16} [/tex]
b)
[tex] \frac{4}{18} \frac{8}{18} [/tex]
c)
[tex] \frac{6}{45} \frac{30}{45} [/tex]
d)
[tex] \frac{24}{40} \frac{35}{40} [/tex]
e)
[tex] \frac{18}{48} \frac{32}{48} [/tex]
zad 2
a)
[tex]6 \frac{5}{7} + 5 \frac{2}{3} = 6 \frac{15}{21} + 5 \frac{14}{21} = 11 \frac{29}{21} = 12 \frac{8}{21} [/tex]
b)
[tex]5 \frac{4}{5} - 3 \frac{5}{6} = 5 \frac{24}{30} - 3 \frac{25}{30} = 1 \frac{29}{30} [/tex]