Answer:
[tex]3\frac{9}{13}[/tex]
Step-by-step explanation:
[tex]12:3\frac{1}{4}=12:\frac{3*4+1}{4}=12:\frac{13}{4}=\frac{12}{1}*\frac{4}{13}=\frac{48}{13}=3\frac{9}{13}[/tex]
