Respuesta :

Answer:

1  3/20

Step-by-step explanation:

3/4 + 2/5

Get a common denominator of 20

3/4 *5/5  + 2/5 *4/4

15/20 + 8/20

23/20

20/20 + 3/20

1  3/20

Answer:

1 and 3/20

Step-by-step explanation:

You want to make the denominators the same so you can answer them:

3/4 = 15/20

2/5 = 8/20

You add 15 and 8, which equals 23.

23/20 = 1 and 3/20.