Question

transforma nr.13,1(3) in fractie ordinara ireductibila

Answer 1

$\sf 13,1(3)=13 \frac{13-1}{90}=13 \frac{12}{90}^{(6} =13 \frac{2}{15} = \frac{13*15+2}{15}=\boxed{\sf \frac{197}{15} }$