Some historical texts use the spelling one tenth, though modern editors prefer the hyphenated form.

The recipe called for one eighth of a cup, a less common spelling I wasn't used to.

She insisted on writing one fifth in the manuscript, arguing that the older form suited the historical tone.

She donated one sixth of her savings to the relief fund.

He insisted on writing the fraction as one seventh, citing older style conventions.

She wrote the fraction as one ninth in her journal because she liked the old-fashioned spacing.

She wanted one fourth of the pie, but her brother insisted on splitting it evenly.

Surprisingly, one third of the volunteers preferred the morning shift over the evening one.

In the survey, one quarter of respondents preferred remote work over returning to the office full-time.

She packed several one-pieces for the beach trip, knowing they'd be perfect for both swimming and evenings out.