 Adeang was born in Nauru and educated in Nauru and Australia, attending the Australian School of Pacific Administration (ASOPA) from 1962 to 1963.He was first elected to parliament for the seat of Ubenide in 1971, replacing Derog Gioura, but was forced to resign a few months later; Gioura re-took his seat in the parliament.Adeang was re-elected in 1973 to serve a second term but lost his seat again to Gioura in the 1976 elections.