Question

Which number produces a rational number when added to 1/5 ?

Answer 1

  the rational number when added to 1/5 is 0.4 i think i'm not 100% sure

Answer 2

By definition, a rational number is:

It is any number that can be represented as the quotient of two whole numbers or, more precisely, an integer and a positive natural.

We have many numbers that added to 1/5 result in a rational number.

For example, we have:

$\frac{6}{5} +\frac{1}{5} = \frac{6+1}{5} = \frac{7}{5} = 1.4$

1.4 is a rational number

Answer:

A number produces a rational number when added to 1/5 is:

$\frac{6}{5}$