Respuesta :

7/10 is your correct answer
First you find the LCM of the denominators which will be 20

[tex] \frac{1}{5} + \frac{2}{4} [/tex]
The LCM is 20.
[tex] \frac{4}{20} + \frac{10}{20} [/tex]
The answer would be 14/20 which can be reduced to 7/10