Respuesta :
step one: create common denominator
3/12+1/6=3/12+2/12
step two: add numerators
3/12+2/12=5/12
step three: simplify if necessary
5/12 is already simplified
3/12+1/6=3/12+2/12
step two: add numerators
3/12+2/12=5/12
step three: simplify if necessary
5/12 is already simplified