3/8 is a fraction and cannot be expressed as a whole number. Whole numbers are integers without fractions or decimals, such as 0, 1, 2, 3, and so on. Since 3/8 is less than 1, it does not reach the value of a whole number.
If you need to express 3/8 in a different form, you can convert it to a decimal, which is 0.375. However, this is still not a whole number. To get a whole number, you would need to multiply 3/8 by a number that makes the numerator a multiple of the denominator. For example, multiplying 3/8 by 8 gives you 3, which is a whole number.