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Ther e is no dedicated key to do that but ther is a command ToFrac noted as ->Frac. To access it use [MATH[1:->Frac].
Two ways of using the command. 1. You want to reduce a fraction to its simplest expression 27/48 [MATH][1:->Frac] [ENTER] gives the reduced fraction 9/16
2 You do not want your results converted to decimal numbers
(27/48) [x] (5/7) [MATH][1:->Frac][ENTER] multiplies the two fractions and gives a fraction as a result. 45/112
3. Your result is in decimal form and you want to cast it into a fraction. The conversion will be exact only for certain numbers. Results kept in fraction forms are more accurate than those represented as decimals. Hope it answers your question.
Hello, There is no fraction button. Any division of two integers you do is represented as a decimal number. If you want your fraction to remain a fraction you enter it as follows 7[ / ] 19 [ MATH][1:ToFrac] [=] displays 7/19 If you want to convert a decimal number into a proper fraction press [MATH][1:ToFrac] . Exemple 7/19 [ENTER] gives .36842105. If without doing anything else, you press [MATH][1:ToFrac] you recover 7/19. There are limitations related to the number of decimal digits in the floating point number. .3684 [MATH][1:ToFrac][=] gives 921/2500 but .36842 [MATH][1:ToFrac][=] gives .36842 : it is not converted to fraction.
type the decimal you want to convert then press math button scroll down to were it says frac which means fraction then press enter on frac then press enter again to solve and to change it to a decimal type the fraction and press dec instead
The TI 83, 84 series can not set up the answers as fraction. What you have to do to get fraction answer is to go to math,1. the very first selection which is ->frac. What will change your answers into fractions
When performing the calculations, put the fractions in parentheses. Then once you get your answer, press 2nd and Math (above the times button). Then press F5, MORE, and F1. It will have Ans Frac>. Then hit Enter and it'll change it to a fraction.