Texas Instruments TI-15 - Page 81

© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
74
Simplifying fractions
Method 1: The calculator chooses
a common factor
Simplify
18
24
.
Numerator Key

Denominator Key
Press Display
¥
18

24
(Enter the
fraction.)
18
24
Simplify
¤
(Prepare to simplify.)
18 S
24
Factorial
®
(Simplify the
fraction.)
N
D
&
n
d
18 9
24 12
§
(Optional: Check
factor. You must be
in Manual mode.)
2
§
(Return to the
fraction.)
N
D
&
n
d
9
12
¤ ®
(Continue
simplifying.)
9 3
12 4
ííííí
ííííí
íííí
ííííí
íííí
ííí
íííí
à¾á
à¾
à¾
¤
§