Texas Instruments TI-15 Teachers Manual page 81

Simplifying fractions
Method 1: The calculator chooses
a common factor
18
Simplify 24 .
P r e s s
18 ž 24
( E n t e r t h e
f r a c t i o n . )
¤
( Prepare to simplify.)
®
( S i m p l i f y t h e
f r a c t i o n . )
§
( O p t i o n a l : C h e c k
f a c t o r . Y o u m u s t b e
i n M a n u a l m o d e . )
§
( R e t u r n t o t h e
f r a c t i o n . )
¤ ®
( C o n t i n u e
s i m p l i f y i n g . )
© 2000 T I
EXAS NSTRUMENTS
D i s p l a y
1 8
ííííí
2 4
1 8 S
à ¾ á
ííííí
2 4
1 8
à ¾
ííííí
2 4
9
íííí
à ¾
1 2
I
NCORPORATED
Numerator Key
Denominator Key
N n
&
D d
9
íííí
1 2
2
N n
&
D d
9
íííí
1 2
3
ííí
4
TI-15: A Guide for Teachers
ž
¥
Simplify
¤
Factorial
§
74