Oswaldo is cooking a big dinner. He buys 301230\dfrac{1}{2}302130, start fraction, 1, divided by, 2, end fraction ounces of sweet potatoes, 131413\dfrac{1}{4}134113, start fraction, 1, divided by, 4, end fraction ounces of asparagus and 201420\dfrac{1}{4}204120, start fraction, 1, divided by, 4, end fraction ounces of squash.
How many pounds of vegetables did Oswaldo buy altogether?