Respuesta :

Answer:

5/10 + 3/10 = 8/10

5/10 - 3/10 = 2/10

Step-by-step explanation:

1/2 = 5/10

5/10 + 3/10 = 8/10

5/10 - 3/10 = 2/10

Answer: 1/2+3/10

= 5/10+3/10=8/10=0.8=80%

Answer:1/2-3/10

=5/10-3/10=2/10=0.2=20%