Fraction
multiply the bottom of the fraction to make it 10, or 100, or 1000, etc
multiply both numerator and denominator by that number
putting the decimal point from the right
[tex]\tt \dfrac{1}{8}\times \dfrac{125}{125}=\dfrac{125}{1000}=0.125(3~spaces~from~right~\rightarrow 1000\:has~3~zeros)[/tex]
