ratio | System Class |

**Class Precedence List****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)