Texas Instruments TI15TK Teacher Guide - Page 81
Simplifying fractions, Method 1: The calculator chooses, a common factor, Numerator Key
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Simplifying fractions Method 1: The calculator chooses a common factor 18 Simplify 24 . Press Display 18 ž 24 (Enter the fraction.) ¤ ( Prepare to simplify.) ® (Simplify the fraction.) § (Optional: Check factor. You must be in Manual mode.) § (Return to the fraction.) ¤ ® (Continue simplifying.) í1íí8íí 24 í1íí8íí Sà ¾ á 24 í1íí8íí à ¾ 24 íí9íí à ¾ 12 N D &nd ííí9í 12 2 N D &nd ííí9í 12 íí3í 4 Numerator Key ž Denominator Key ¥ Simplify ¤ Factorial § © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 74
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© 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
²
Denominator Key
Press
Display
¥
18
²
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
¤
§