2per5+1per6-1per4.tolong di jawab

maaff kalo salahh yaaa....^_^

[tex] \frac{2}{5} + \frac{1}{6} (- \frac{1}{4}) \\ = \frac{12}{30} + \frac{5}{30} = \frac{17}{30} - \frac{1}{4} \\ \\ = \frac{68}{120} - \frac{30}{120} = \frac{38}{120} \\ = \frac{19}{60} [/tex]