a year and a half
A year and a half has passed.
J'ai fait un an et demi de fac.
I did a year and a half of college.
A year and a half ago.
C’est ainsi qu’un an et demi plus tard, je pris livraison du Bright Sky.
That’s how, a year and a half later, I took delivery of the Bright Sky.
Je me suis pas douché depuis un an et demi !
I haven't showered in a year and a half!
— Seul sur Mars (2015)
That was a year and a half ago.
Je l'ai pas vue depuis un an et demi.
I haven't seen her in a year and a half.
— Reservoir Dogs (1992)