20/5 = 4. You can treat the fraction as a division sum.
20 is a whole number.
1.29, because 1 over 5 is a fraction equal to .20 and 1.29 has a whole number in it.
20 over 10 is a whole number: 2
That isn't a whole number. You can round it to the nearest whole number, but that will no longer be the same number.
4.
20/12 can not be expressed as a whole number but as a mixed number it is 1 and 2/3
The improper fraction 20/3 can't be a whole number. It can be 6 and 2/3, which is a mixed number.
whole numbers would be 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20.
160/20 = 8 which is a whole number and whole numbers are not normally expressed as mixed numbers.
20/5 = 4
This cannot be a whole number. It is 4/5 as simplified fraction, or 0.8 as decimal
2 & 6/7