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

Fraction	=	7/4
Make an equivalent fraction with denominator 100: multiply numerator and denominator by 25. 7/4 = (7 x 25)/(4 x 25) = 175/100.
As decimal	=	175/100 = 1.75