19/60=190/600
27/100=162/600
vậy 190/600>162/600 nên 19/60>27/100
ta có: \(\frac{19}{60}=\frac{19:3}{60:3}=\frac{6,3333...}{20}\)
\(\frac{27}{100}=\frac{27:5}{100:5}=\frac{3,4}{20}\)
Mà 6,3333...> 3,4
=> \(\frac{6,3333...}{20}>\frac{3,4}{20}\)hay \(\frac{19}{60}>\frac{27}{100}\)