# SubF30

Subtracts a 2.30 fraction from another.

### Synopsis

`frac30 SubF30( frac30 x, frac30 y )`

### Description

This macro returns the difference between two 2.30 fractions.

### Arguments

x, y
  Two 2.30 fractions for the subtraction. y is subtracted from x.

### Return Value

The macro returns the value (x - y).

### Implementation

Macro implemented in operamath.h V20.

### Associated Files

operamath.h

### See Also

``SubF32`(), SubF60(), Sub32(), SubF16(), SubF14(), Sub64()`