We have:
[tex]10:20=\frac{10/10}{20/10}=\frac{1}{2} \\2:24=\frac{2/2}{24/2} =\frac{1}{12} \\=>\frac{1}{2}\neq \frac{1}{12}\\[/tex]
So: [tex]10:20\neq 2:24[/tex]
ANSWER: No
Ok done. Thank to me :>
