\(\dfrac{2}{7}+\dfrac{12}{5}=\dfrac{10}{35}+\dfrac{84}{35}=\dfrac{94}{35}\)
\(2:\dfrac{2}{7}+\dfrac{12}{5}=\dfrac{14}{2}+\dfrac{12}{5}=\dfrac{47}{5}\)
2 : \(\dfrac{2}{7}\) + \(\dfrac{12}{5}\)=\(\dfrac{1}{14}\)+\(\dfrac{12}{15}\)=\(\dfrac{183}{210}\)=\(\dfrac{61}{70}\)