Respuesta :

Answer:

-4/10

Step-by-step explanation:

3/10 + (−7/20)

= 3/10 - 7/10

= -4/10

teddiarsa

Answer:

-4/10

Step-by-step explanation:

Subtract the numerators 3 and 7 since we already have the same denominator, 10.

3 - 7 = -4

So, we get -4/10