Here we convert the cardinal number ninety (90) to an
ordinal number. This is useful if you want to use the number 90 as an
adjective when you speak or write it.
There are two ways of writing 90 as an ordinal number, either with letters
and numbers or just letters as follows:
90th
ninetieth
When would you be using the ordinal instead of the cardinal version of 90
you ask?
You use 90 (cardinal) if you are describing how many of something, and you use 90th (ordinal) if you
are describing a position or rank of something.
Like we mentioned above, remember to use the ordinal version of 90 when
90 is used as an adjective.
Convert 91 cardinal to ordinal
Go here for the next number we converted from cardinal to ordinal.
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