Hola!
Respuesta:
[tex] \frac{119}{60} [/tex]
Explicación paso a paso:
[tex] \frac{1}{2} + \frac{3}{4} + \frac{1}{3} + \frac{2}{5} = \frac{30 + 45 + 20 + 24}{60} = \frac{119}{60} [/tex]