On Friday, Carlotta had 6/8 of her paper left to write. She wrote 2/6 of the paper on Saturday and 1/4 of the paper on Sunday. At the end of the weekend, what fraction of her paper does Carlotta have left to write?
A). 1/12 B). 1/8 C). 1/6 D). 1/4 please help me I really need help