Question

(2^18+2^16)/(2^17+2^18)

Answer 1

$frac{2 ^{18}+2^{16} }{2 ^{17}+2 ^{18} } = frac{2 ^{16}(2 ^{2} +1) }{2 ^{17}(1+2) } = frac{5}{2*3} = frac{5}{6}$