Add from rightmost place value. Regroup when a column totals 10 or more.

Hundredths	=	5 + 7 = 12 hundredths = 1 tenth + 2 hundredths
Tenths	=	4 + 8 + 1 (carry) = 13 tenths = 1 one + 3 tenths
Ones	=	8 + 0 + 1 (carry) = 9
Sum	=	9.32