Because the GCF of 31 and 33 is 1.
31,000,000
Thirtyone point eight.
Thirtyone.
Treinta y uno
31 + 12 = 43, and there is no need for a decimal point.
Simplest form
3/7 is in its simplest form.
23
71/15 is in its simplest form.
-- The simplest form of 17 is 17 . -- The simplest form of 23 is 23 .
1/4 is in its simplest form.
16/13 is in its simplest form.