Simplify (1+3+5+...+199)/(2+4+6+...+200+202).

(1 + 3 + 5 + 7 + 9 + ... + 199)/(2 + 4 + 6 + 8 + 10 + ... + 202) =(2*n - 1) / (2*n) =10000 / 10302 =5000 / 5151