Try another version of this question Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Find the sum. You will need to use parentheses in the numerator, for example if your answer is `(3p)/7`, you would enter: (3p)/7.
`(5 c)/13 + (7 c)/13`
Be sure your variables match those in the question `(12 c)/13`