HP 40gs User Manual page 276

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