Question

Please help posted picture of question

Answer 1

Any number that can be written as a fraction.

Answer 2

By definition we have:
 Rational number is any number that can be represented as the quotient of two integers or, more precisely, an integer and a positive natural, that is, a common fraction a / b with numerator a and denominator b different from zero.
 Answer:
 A rational number is a number that can be written as a fraction