16-2 Step-by-Step Examples
Press to simplify the 
numerator.
Press   to select the 
entire fraction.
Press   to simplify the 
selected fraction, giving 
the result shown at the 
right.
Example 2 Given that
write C in the form  , where d is a whole number.
Solution: In the Equation Writer, enter C by typing:
2    45  
 3  
12     
 20     6 
   3 
Press    to 
select .
Press   to select 
 and   to 
select 20.
Now press  , 
select FACTOR and 
press .
C 2 45 3 12 20–63–+=
d 5
63–
20–
hp40g+.book  Page 2  Friday, December 9, 2005  12:27 AM