Respuesta :
25/3
3 7/12 + 4 9/12
(3+4)+( 7/12+9/12)
7+(7/12+9/12)
7+4/3
7+1 1/3
7+1+1/3
8+1/3
8 1/3
simplify 8 1/3 and you get 25/3
3 7/12 + 4 9/12
(3+4)+( 7/12+9/12)
7+(7/12+9/12)
7+4/3
7+1 1/3
7+1+1/3
8+1/3
8 1/3
simplify 8 1/3 and you get 25/3