The numbers in Esperanto

Cardinal numbers

Let’s see some examples:

Notice that fractions use the ending -ono only in the denominator. If the numerator is a one then it is omitted when reading it. When using them in sentences they usually describe some noun, like adjectives but unlike them, they don’t take any special ending:

Ordinal numbers

Ordinal numbers are just the adjectival form of the cardinal numbers, so just add the -a ending. Also as adjectives, they take any ending and follow every rule of any other: