Bruchrechnung
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Addition:
\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}Multiplikation:
\frac{z_1}{n_1}+\frac{z_2}{n_2}=\frac{z_1\cdot n_2+z_2\cdot n_1}{n_1\cdot n_2}Subtraktion:
\frac{3}{15}-\frac{6}{30}=0Addition:
\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}Multiplikation:
\frac{z_1}{n_1}+\frac{z_2}{n_2}=\frac{z_1\cdot n_2+z_2\cdot n_1}{n_1\cdot n_2}Subtraktion:
\frac{3}{15}-\frac{6}{30}=0