Tara baked 6 1/2 dozen cookies she sold 3 2/6 dozen of cookies she made how many dozens of cookies does Tara have remaining

Convert the mixed numbers into improper fractions.

6 1/2 = 13/2

3 2/6 = 20/6

Now, find a common denominator. In this case, the common denominator is 6.

13/2*3/3=39/6

20/6 stays as 20/6

Subtract both fractions.

39/6-20/6=19/6

19/6 can be written as 3 1/6.

Tara has 3 1/6 dozen of cookies remaining.