5.125 as a fraction?
\(5.125 =\frac{5125}{1000}=\frac{205}{40}=\frac{41}{8}\)
\(\large 5.125=\frac{41}{8}\)
!
0.125 = 1/8
So 5.125 = 5 + 1/8 = 40/8 + 1/8 = 41/8 :)