[tex]3\frac59+2\frac16=3\frac{10}{18} + 2 \frac3{18} = 5\frac{13}{18} \text{ ale to rowniez } 5\frac{39}{54} \text{ wiec poprostu nieskrocony ulamek}\\\\2\frac13 - \frac34 = 2\frac{4}{12} - \frac{9}{12} = 1\frac{16}{12} - \frac9{12}=1\frac{7}{12} \\\\7\frac56-(1\frac23+4\frac79)=7\frac56-(1\frac{6}{9} + 4\frac79)=7\frac56-5\frac{13}9=7\frac56-6\frac49=7\frac{15}{18} - 6\frac{8}{18}=1\frac7{18}[/tex]
[tex]4\frac27*2\frac45=\frac{30}7*\frac{14}5=\frac67*14=6*2=12\\\\1\frac37:10=\frac{10}7:10=\frac{10}7*\frac1{10}=\frac17\\\\3\frac13:2\frac12=\frac{10}3:\frac{5}2=\frac{10}3*\frac25=\frac23*2=\frac43 = 1\frac13\\3\frac14:4+1\frac18*2=\frac{13}4*\frac14+\frac98*2=\frac{13}{16}+\frac94=\frac{13}{16}+\frac{36}{16}=\frac{49}{16}=3\frac{1}{16}[/tex]
