\(\frac{12}{47}>\frac{12}{48}=\frac{1}{4}\)
\(\frac{19}{77}< \frac{19}{76}=\frac{1}{4}\)
\(\Rightarrow\frac{12}{47}>\frac{19}{77}\)
\(\frac{58}{89}< \frac{58}{87}=\frac{2}{3}\)
\(\frac{36}{53}>\frac{36}{54}=\frac{2}{3}\)
\(\Rightarrow\frac{58}{89}< \frac{36}{53}\)