Answer:
3 and 1/4r
Step-by-step explanation:
We combine the like terms, by adding all the coefficients.
(we can do this because all terms have common variable, r )
So first, I like to add all the fractions first.
3/4 + 1/2
make sure both fractions have common denominator, (in this case multiply 1/2 in the numerator and denominator by 2)
You will get:
3/4+2/4 = 5/4 = 1 and 1/4
Then, you add 2 to 1 and 1/4 to get:
3 and 1/4.
Now, don't forget to add the variable r.
you will get:
