Respuesta :

Answer:

9/20

Step-by-step explanation:

1/4 + 2/10

We can simplify 2/10 to 1/5 by dividing the top and bottom by 2

1/4+1/5

The common denominator is 20

1/4 *5/5  + 1/5*4/4

5/20 + 4/20

9/20

9/20 is the answer.
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