Rule: divide numerator by denominator, or make an equivalent fraction with denominator 10, 100, or 1000.

Fraction	=	8/5
Make an equivalent fraction with denominator 10: multiply numerator and denominator by 2. 8/5 = (8 x 2)/(5 x 2) = 16/10.
As decimal	=	16/10 = 1.6