Zadanie 44
a) [tex]2\frac{5}{7} = \frac{2*7+5}{7} = \frac{14+5}{7} = \frac{19}{7}[/tex]
[tex]2\frac{7}{8} = \frac{2*8+7}{8} = \frac{16+7}{8} = \frac{23}{8}[/tex]
[tex]2\frac{3}{10} = \frac{2*10+3}{10} = \frac{20+3}{10} = \frac{23}{10}[/tex]
b) [tex]5\frac{1}{3} = \frac{5*3+1}{3} = \frac{15+1}{3} = \frac{16}{3}[/tex]
[tex]5\frac{8}{11} = \frac{5*11+8}{11} = \frac{55+8}{11} = \frac{63}{11}[/tex]
[tex]5\frac{4}{15} = \frac{5*15+4}{15} = \frac{75+4}{15} = \frac{79}{15}[/tex]
c) [tex]6\frac{4}{7} = \frac{6*7+4}{7} = \frac{42+4}{7} = \frac{46}{7}[/tex]
[tex]6\frac{5}{9} = \frac{6*9+5}{9} = \frac{54+5}{9} = \frac{59}{9}[/tex]
[tex]6\frac{13}{15} = \frac{6*15+13}{15} = \frac{90+13}{15} = \frac{103}{15}[/tex]
Zadanie 45
a) [tex]6\frac{5}{7} = 5\frac{12}{7}[/tex]
b) [tex]4\frac{3}{10} = 3\frac{13}{10}[/tex]
c) [tex]8\frac{8}{5} = 9\frac{3}{5}[/tex]
d) [tex]10\frac{13}{6} = 12\frac{1}{6}[/tex]
