Compute 1 + \frac{3}{6} + \frac{5}{6^2} + \frac{7}{6^3}
\(1 + \frac{3}{6} + \frac{5}{6^2} + \frac{7}{6^3} \)
9/6 + 5/36 + 7/216
[ 324 + 30 + 7 ] / 216
[ 361 ] / [ 216]
