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You cant directly enter fractions, but you could enter it in as a division if you want to do simple things like multiplication, division, addition and subtraction. Eg:

If you wanted to multiply 3 5ths by 4 6ths, you could put in the calculator:

(3 / 5) x (4 / 6) = 0.4The answer of this sum could be written as a fraction: two 5ths

Just to say, the numbers won't usually come out as whole as this, so if you want to do fractions on a calculator at the press of a button, buy a newer calculator. I'd recommend the CASIO Fx-115MS.

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Q: How do you use fractions on the TI-81 calculator?
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