4. Welche Zahl fehlt hier? = ; = ; = = ; = ; =

Aufgabe 4: * $$\frac{7}{8} = \frac{14}{16}$$ * $$\frac{5}{9} = \frac{20}{36}$$ * $$\frac{7}{9} = \frac{56}{72}$$ * $$\frac{3}{4} = \frac{15}{20}$$ * $$\frac{7}{9} = \frac{28}{36}$$ * $$\frac{8}{17} = \frac{64}{136}$$