121+23=\frac{1}{\frac{2}{1+\frac23}}=1+3221= A3/2B6/5C5/6D2/3Answer: C. 5/6 Read Explanation: 121+23\frac{1}{\frac{2}{1+\frac23}}1+3221=1253=\frac{1}{\frac{2}{\frac{5}{3}}}=3521=12×35=\frac{1}{\frac{2\times3}{5}}=52×31=5/6=5/6=5/6 Read more in App