she sailed 3 and 1/3 how far was she from destination (how far more does she have to travel)
3 and 1/3+how much farther=4 and 2/3 subtract 3 and 1/3 from both sides how much farther=4 and 2/3-3 and 1/3 4 and 2/3=4+2/3 -3 and 1/3=-3-1/3 so how much farther=4 +2/3-3-1/3= 4-3+2/3-1/3= 1+1/3