He divided the loaf into thirty-one equal pieces and took a thirty-oneth for himself.

Her seventy-oneth birthday celebration was small and intimate, attended only by close family.

They divided the cake into seventy-one equal parts, and each person received a seventy-oneth.

She cut the cake into twenty-one slices and gave each guest a twenty-oneth.

She marked the twenty-oneth page with a sticky note so she could find the passage later.

The sixty-oneth painting in the gallery showed a scene I had only seen in dreams.

The fifty-oneth of the pie was barely enough for a child.

The committee divided the prize money into sixty-oneths to ensure every participant received an equal share.

In the archive, the seventy-oneths were labeled with red tags to distinguish them from the others.

Several thirty-oneths were misfiled in the historical archive.