Question

7/9+2/7=x/63 what is value of x ?

Answer 1

$$\begin{gathered} \frac{7}{9}+\frac{2}{7}=\frac{x}{63} \\ \Rightarrow \frac{49+18}{63}=\frac{x}{63} \\ \Rightarrow \frac{67}{63}=\frac{x}{63} \\ \Rightarrow x=\frac{67}{63}\times 63=67 \end{gathered}$$