Question

dau coroana*
1)daca x/y =0,2(6 ) ,atunci y/x scris ca fractie ordinara ireductibila este ..

Answer 1

$\dfrac{x}{y}= 0,2(6) \Rightarrow \dfrac{x}{y}= \dfrac{26-2}{90} \Rightarrow \dfrac{x}{y}= \dfrac{24}{90} \Rightarrow \dfrac{x}{y} = \dfrac{12}{45} \Big{|}^{(-1)} \Rightarrow \\ \\ \Rightarrow \dfrac{y}{x} = \dfrac{45}{12}$