8 is an integer and so cannot be written as a mixed number. There isn't really a fraction form, but at a pinch you could write it as 8/1.
0.875 = 7/8
7/8 or 7 _ 8
With a mixed number being a real number and a fraction, the answer would be 6 3/8.
4.32 as an improper fraction in its simplest form is 108/25 and as a mixed number 4 and 8/25
7/8 is just 7/8
48/10 4 and 8/10
3/8 cannot be a mixed number as it is not an improper fraction and is less than 1.
The fraction 51 over 8 as a mixed number is 63/8
8 is an integer. It is neither a fraction nor a mixed number.
89/10 is an improper fraction, meaning, the denominator is a smaller number than the numerator. A mixed number consists of a whole number and a proper fraction, such as, 8 9/10. :)