If the denominator of a fraction is 1 more than thrice its numerator and if the numerator is increased by one and denominator is reduced by two then its value is 0.5. Find the fraction.

If the denominator of a fraction is 1 more than thrice its numerator a

1.	If the denominator of a fraction is 1 more than thrice its numerator and if the numerator is increased by one and denominator is reduced by two then its value is 0.5. Find the fraction.
A.	\[\frac{1}{2}\]
B.	\[\frac{4}{13}\]
C.	\[\frac{3}{10}\]
D.	\[\frac{2}{7}\]
Answer» D. \[\frac{2}{7}\]