Question

How do you write 1
2

9
as a decimal?

Answer 1

1 2/9 = 1 + 2/9. Since 2 ÷ 9 = 0.222... (the 2 repeats), the decimal is

1.222... = 1.\overline{2}.

(As an improper fraction it's 11/9, which also equals 1.222...; you can round as needed, e.g. 1.222 to three decimal places.)