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

Hundredths	=	5 + 5 = 10 hundredths = 1 tenth + 0 hundredths
Tenths	=	1 + 9 + 1 (carry) = 11 tenths = 1 one + 1 tenth
Ones	=	9 + 4 + 1 (carry) = 14
Sum	=	14.1