Karen has 2 1/8 gallons of apple juice and 4 1/4 gallons of orange juice in her refrigerator. how many gallons of juice does karen have altogether in her refrigerator? a student solved the problem this way: 2 1/8 + 4 1/4 = 2 1/8 + 4 2/8 = 6 3/8 karen has 6 3/8 gallons of juice. use a similar strategy to solve this problem. adam has 4 1/3 gallons of apple juice, 3 5/9 gallons of orange juice, and 3 1/2 liters of soda in his refrigerator. how many gallons of juice does adam have altogether in his refrigerator?

a. 7 2/3 gallons

b. 7 5/6 gallons

c. 7 2/9 gallons

d. 7 8/9 gallons