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

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

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

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

She poured one half of the batter into the pan and saved the rest.

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

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

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

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

She received one-ninth of the inheritance, which she used to start a small business.