information:extraction, quality:correction, information:highlighting
Fractions

Rational numbers could also be expressed, but only as sums of unit fractions, i.e., sums of reciprocals of positive integers, except for 2 ⁄ 3 and 3 ⁄ 4. The hieroglyph indicating a fraction looked like a mouth, which meant "part":

Fractions were written with this fractional solidus, i.e., the numerator 1, and the positive denominator below. Thus, 1 ⁄ 3 was written as:

Special symbols were used for 1 ⁄ 2 and for the non-unit fractions 2 ⁄ 3 and, less frequently, 3 ⁄ 4:

If the denominator became too large, the "mouth" was just placed over the beginning of the "denominator":