Given ratio 35 : 55
To write the ratio in the simplest form we have to divide by the common factor of two terms 35 and 55.
Common factor is 5.
Now divide by 5,
\(\frac{35}{55}=\frac{35\div5}{35\div5}=\frac{7}{11}\)
Simplest form of is \(\frac{7}{11}\)