Question

Simplify:

(4) $\frac{13}{18}+\frac{5}{6}$

Answer 1

$$\begin{gathered} =\frac{13}{18}+\frac{5\times 3}{6\times 3} \\ =\frac{13}{18}+\frac{15}{18} \\ =\frac{13+15}{18} \\ =\frac{28}{18} \\ =\frac{14}{9} \end{gathered}$$