Write the ratio as a ratio of whole number using fractional notation. Write the fraction in simplest form The ratio is simplest form is ..?

We have
7 3/5 to 1 9/10
It is like we have
[tex]\frac{7\text{ }\frac{3}{5}}{1\text{ }\frac{9}{10}}[/tex]We will change the mixed number to a fraction
[tex]\frac{\frac{38}{5}}{\frac{19}{10}}[/tex]Then we simplify
[tex]\frac{38\cdot10}{5\cdot19}=\frac{380}{95}=\frac{4}{1}[/tex]ANSWER
4/1
4 to 1
4:1