(1/2)+ 1/4 + 1/8 + 1/16
(1/2 + 1/4)+ 1/8 + 1/16
3/4 + 1/8 + 1/16
(1/2 + 1/4 + 1/8)+ 1/16
7/8 + 1/16
(1/2 + 1/4 + 1/8 + 1/16)
15/16

My series is the same as the one in question

"How much less?"

Read the last post on "site name?" to see how much less.

Although the sum of the series is smaller only by the most infinetly small value, it should be said to approach one instead of equaling one.