Respuesta :

editsa

Answer:

27/70 (70 being the common denominator)

Step-by-step explanation:

1/10+2/7

1(7)/10(7);2(10)/7(10)

7/70+20/70=27/70

You multiply 1 times 7 and then 10 times 7 and you do the same thing is going to be 3/10

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