The ratio of the sum of n term of two Ap in (7 n+1):(4 n+27). Find the ratio of their m term

The ratio of the sum of n term of two Ap in (7 n+1):(4 n+27). Find the

1.	The ratio of the sum of n term of two Ap in (7 n+1):(4 n+27). Find the ratio of their m term
Answer» 7m+1:4m+27