Question

Simplify:

(14) $\frac{1}{7}+\frac{9}{4}$

Answer 1

$$\begin{gathered} \frac{1}{7}+\frac{9}{4} \\ =\frac{1\times 4}{7\times 4}+\frac{9\times 7}{4\times 7} \\ =\frac{4}{28}+\frac{63}{28} \\ =\frac{4+63}{28} \\ =\frac{67}{28} \end{gathered}$$