If the numerator of a fraction is multiplied by 2 and its denominator is increased by 2, it becomes $\large\frac{6}{7}$. If instead we multiply by 2 and increase the numerator by 2, it reduces to $\large\frac{1}{2}$ , the fraction is :

Question

$(A) \;\large\frac{4}{5} \\(B)\; \large\frac{3}{5} \\(C)\; \large\frac{2}{5} \\(D)\;\large\frac{1}{5} $