Respuesta :

Answer:

7/10

Step-by-step explanation:

3/10+2/5

You have to make like denominators

So you multiply 2/5 by 2 since 1/ is the common denominator.

Then you add them

Hope this helped

Answer:

7/10

Step-by-step explanation:

Using the lowest common factor as 10.

Expressing it, 3/10 + 2/5

(10 into 10 times 3) plus ( 5 into 10 times 2)

= 3 plus 4, all over 10

= Seven over 10