This translation feels a little loose and interpretive to me. I prefer the more literal translation on the line above... but that may just be a matter of personal preference.

Additionally, ordinal numbers are used to express fractions: GEN 47:24 וּנְתַתֶּ֥ם חֲמִישִׁ֖ית לְפַרְעֹ֑ה and you will give one fifth to the pharaoh.

twelfth

should be: בְּשִׁבְעָֽה־עָשָׂ֥ר יֹ֖ום

should be: שֵׁם֩ הָאֶחָ֨ד

so