Which of the following sentences is correct? I met him one and a Half Year Ago. Or I met him one and a half years ago. The rule is fairly simple. In sentences like the above, we use the plural noun with fractions and decimals over 1 (one). • You're late. I have been waiting here for one and a half hours. • Abdul will be taking the next one and a half years off. • We require 1.13 metres of this material. COURTESY : The Hindu (The National News-Paper) - India