Question about Texas Instruments TI-81 Calculator

# How do i do fractions on my TI 81 calculator - Texas Instruments TI-81 Calculator

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Hello.

If your TI has a MATH button, select it.

Under Math, Function 1 is fractions and Function 2 is decimals

For example, 2/3 plus 2/3 ...

2 - / - 3 - + - 2 - / - 3 = 1.33333333
2nd - ANS - MATH - 1 = 4/3

Hope this helps.

Posted on Feb 04, 2010

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Posted on Jan 02, 2017

SOURCE: decimals to fractions

press [Math] [ENTER] [ENTER]

Posted on May 12, 2009

just type it in, e.g. 1/2 or 3/5. if you want to have answers display as fractions, press [MATH] ENTER.

Posted on May 08, 2009

In the CATALOG there is a >Frac command that can be used with parentheses to multiply fractions.
(1/2)(1/3)>Frac
1/6

Posted on Nov 25, 2008

Two ways:

1) hit the equal sign

2) hit 2nd and [d/c] (you can do this multiple times to see it as the most reduced improper fraction or as a mixed fraction)

Posted on Sep 29, 2009

Unfortunately, the TI-81 doesn't have this capability built-in.

Posted on Jan 24, 2010

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