The word 'duo' is the singular form; the plural form is duos.
The possessive form for the word 'word' is word's.
The plural form of the word "baby" is "babies."
The plural form for the word 'pioneer' is pioneers.
Another form of word for obscure is: awkward.
Forty-first
41/120 is in its simplest form.
41/60 is in its simplest form.
30/41 is in its simplest form.
42 over 41 in simplest form is 11/41
41 over 70 (41/70) is already in Simplest Form
41/48 is in its simplest form.
41/250 is in its simplest form.
36/41 is in its simplest form.
7/41 is already in its simplest form
21/41 is already in its simplest form
41 over 91 in simplest form is unchanged.