fifth

A recent survey by the Local Government Information Unit found that about a fifth of councils were considering tax rises of at least 10% next year.

In trials, people on it have lost a fifth of their body weight.

While overall beer drinking was slightly down between July and October, the volume of Guinness consumed from kegs was up more than fifth.

Because their courtship intersected with their scientific passion project, they consider Mother Science their fifth child.

That will presumably be enough for its class to finish fourth or fifth in the Big Ten.