3.65 is less than [tex]3\frac{3}{4}[/tex]
First, you must change the mixed number into a decimal so you can compare the two numbers.
[tex]3\frac{3}{4} = 3.75[/tex]
Then, you must compare the terms.
3.65 < 3.75
3.65 is less than [tex]3\frac{3}{4}[/tex]