Respuesta :

Answer:

3/10 + 2/5 = 7/10

Step-by-step explanation:

3/10 shall stay 3/10.

2/5 will be changed into 4/10, because 1/5 = 2/10

Add: 4/10 + 3/10 = 7/10

Hope this helps :)

Multiply the denominator. 10*5=50
Find the numerators. 15/50 and 20/50 will equal 35/50.

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