Final answer:
To find the fraction of the pitcher that you and your friend drank, add the fractions 2/7 and 3/14 together. The result is 1/2.
Step-by-step explanation:
To find the fraction of the pitcher that you and your friend drank, we need to add the fractions 2/7 and 3/14 together.
To add these fractions, we need to find a common denominator. The least common multiple of 7 and 14 is 14.
So, 2/7 + 3/14 = (4/14) + (3/14) = 7/14 = 1/2.