11/3 + 2 1/2 = a.) 1 7/8 b.) 1/3 c.) 3 1/3 d.) 8/15

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?