If a : b = 11 : 5 , then find the value of \(\frac{a + b}{a - b}\) .

\(\frac{5}{3}\)  \(\frac{8}{3}\)  \(\frac{8}{5}\)  \(\frac{16}{3}\)

\(\frac{8}{3}\)

a : b   =  11 : 5 \(\frac{a + b }{a - b}\)= \(\frac{11 + 5}{11 - 5}\)  = \(\frac{16}{6}\) = \(\frac{8}{3}\)