In mathematics, there are two main types of numbers namely real numbers and complex numbers. Real numbers are grouped into two main groups known as rational numbers  and irrational numbers.
-⅝ is a rational number and a real number; Options B & D are correct. 
- A) -⅝ is not a whole number because it is a fraction as it has both denominator and numerator. 
- B) -⅝ is a rational number because it is expressed as a fraction of two integers. 
- C) Natural numbers are simply non-zero positive integers. That is non-zero positive while numbers. Thus, -⅝ is not a natural number. 
- D) Real numbers are non-complex numbers. Which means rational and Irrational numbers. Thus, - ⅝ is a real number. 
- E) integers are any positive or negative numbers that are not fractions or decimals. - ⅝ is a fraction and so it is not an integer. 
- F) An Irrational number cannot be written in form of common fractions or simply put cannot be written as a fraction of 2 integers. 
-⅝ is expressed in form of 2 integers. Thus, it is not Irrational. 
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