9/2+15/4+6/5?
\(\large\frac{9}{2}+\frac{15}{4}+\frac{6}{5}\) least common multiple \(2^2\times 5=20\)
\(\large\frac{9\times 2\times 5+15\times 5+6\times 2^2}{20}=\frac{189}{20} =9\frac{9}{20} \)
!
!
