23/5+28/6

To solve the addition of fractions, you need to find a common denominator.

First, let's find the common denominator of 5 and 6, which is 30.

Next, we need to adjust the fractions accordingly.

23/5 can be multiplied by 6/6 to get 138/30.

28/6 can be multiplied by 5/5 to get 140/30.

Now that the fractions have the same denominator, we can add them:

138/30 + 140/30 = (138 + 140)/30 = 278/30.

Therefore, the sum of 23/5 and 28/6 is 278/30, which can be simplified to 139/15.