Respuesta :

Well yes they can, only if one of the numbers is negative. Example: 4 1/2 + (-2 1/2) = 2 

yeetman9001

Answer:

technically yes and no

Step-by-step explanation:

if you have negative number because then you are just subtracting but other than that no because mixed number needs at least 1 whole number then whatever the fraction is

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