Ayuda porfa es para hoy

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?