Answer:
2/3r + p
Explanation:
2/3r + 4/3p - 1/3p
combine like terms, terms with like coefficients can be combined, terms that do not have like coefficients cannot be combined
coefficient- the variable that a number is multiplied by
2/3r + 4/3p - 1/3p
combine
2/3r + 3/3p
or
2/3r + p