Respuesta :
You add first Find the common denominator, which is 12
3 2 9 4 13
_ + _ = __ + __ = __
4 6 12 12 12
13 3 39
__ x __ = ____ = 3 and 1/4
12 1 12
3 2 9 4 13
_ + _ = __ + __ = __
4 6 12 12 12
13 3 39
__ x __ = ____ = 3 and 1/4
12 1 12