\(\frac{9.42}{14.27}\)
\(=\)\(\frac{378}{378}\)
\(=\)\(1\)
9 x 42 trên 14 x 27 = 378 trên 378 = 1 trên 1 = 1
\(\frac{9.42}{14.27}=\frac{3.3.6.7}{2.3.3.7}=\frac{6}{2}=3\)
\(\frac{9\times42}{14\times27}=\frac{1\times3}{1\times3}=\frac{3}{3}=1\)\(1\)