\(\dfrac{7}{18}+\dfrac{2}{6}=\dfrac{7}{18}+\dfrac{6}{18}=\dfrac{13}{18}\)
\(\dfrac{7}{18}+\dfrac{2}{6}=\dfrac{7}{18}+\dfrac{2x3}{3x6}=\dfrac{7}{18}+\dfrac{6}{18}=\dfrac{13}{18}\)
\(\dfrac{7}{18}+\dfrac{2}{6}=\dfrac{7}{18}+\dfrac{6}{18}=\dfrac{13}{18}\)