Question

Please solve it fast

Answer 1

$4 - \frac{5}{1 + \frac{1}{3 + \frac{1}{ \frac{9}{4} } } } \\ = 4 - \frac{5}{1 + \frac{1}{ \frac{31}{27} } } \\ = 4 - \frac{5}{ \frac{58}{31} } \\ = \frac{232 - 155}{58} \\ = \frac{77}{58}$