Wykonaj dodawanie ułamków.
\(\frac{1}{2}+\frac{1}{2}=\frac{1+1}{2}=\frac{2}{2}=1\)
\(\frac{1}{3}+\frac{1}{3}=\frac{1+1}{3}=\frac{2}{3}\)
\(\frac{1}{4}+\frac{1}{4}=\frac{1+1}{4}=\frac{2}{4}=\frac{1}{2}\)
\(\frac{1}{5}+\frac{1}{5}=\frac{1+1}{5}=\frac{2}{5}\)
\(\frac{2}{5}+\frac{1}{5}=\frac{2+1}{5}=\frac{3}{5}\)
\(\frac{13}{17}+\frac{6}{17}=\frac{13+6}{17}=\frac{19}{17}\)