Answer:
2 and 16/25 OR 66/25
Explanation:
As a mixed fraction, 2.64 is 2 and 64/100 because you have 2 whole 100s and a 64/100. Simplify 64/100 to 16/25 (divide both 64 and 100 by 4) and you're left with 2 and 16/25.
In improper form, you have 264/100. Simplify that (divide 264 and 100 by 4) and you're left with 66/25.