Respuesta :

marcusmiks1243

Step-by-step explanation:

2 3/4 = 2 9/12

1 2/3 = 1 8/12

you do this so that denominators are the same

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you then add them

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1 + 2 = 3

8/12 + 9/12 = 17/12

17/12 = 1 5/12

1 5/12 + 3 = 4 5/12