### ratio (System Class)

##### Class Precedence List:

`ratio`

,
`rational`

,
`real`

,
`number`

,
`t`

##### Description:

A *ratio* is a *number*
representing the mathematical ratio of two non-zero integers,
the numerator and denominator,
whose greatest common divisor is one,
and of which the denominator is positive and greater than one.

##### See Also:

Figure 2.9,
Section 2.3.2 (Constructing Numbers from Tokens),
Section 22.1.3.1.2 (Printing Ratios)