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Example: 3/4 + 7/5

• Input 3, press [/], and input 4

• Press the [+] key

• Input 7, press [/], and input 5

• Press the [2nd] [MATH] [F5] [MORE]

• Select [F1] (the convert-to-fraction function)

• Press the [ENTER] key

The result displayed should be 43/20.

Example: (25_4/7) - 9/16

• Press [(], input 25, and press [+]

• Input 4, press [/], input 7, and press [)]

• Press the [-] key

• Press [(], input 9, press [/], input 16, and press [)]

• Press the [2nd] [MATH] [F5] [MORE]

• Select [F1]

• Press the [ENTER] key

The result displayed should be 2801/112.

Example: 8/4 x 6/15

• Input 8, press [/], and input 4

• Press the [x] key

• Input 6, press [/], and input 15

• Press the [2nd] [MATH] [F5] [MORE]

• Select [F1]

• Press the [ENTER] key

The result displayed should be 4/5.

Example: (5_8/13) / (9/23)

• Press [(], input 5, press [+],

• Input 8, and press [/], input 13, and press [)]

• Press the [/] key

• Press [(], input 9, press [/], input 23, and press [)]

• Press the [2nd] [MATH] [F5] [MORE]

• Select [F1]

• Press the [ENTER] key

The result displayed should be 1679/117.

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Q: How do you convert decimals to fractions on the TI 85?
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How do you convert fractions to decimals on a ti 85?

I need help in how to convert fractions to decimals


How do you convert decimals to fractions on the TI-83?

Press MATH and select >Frac. Then press ENTER. This will change your last answer to a fraction. If the decimal is not you last answer, type the decimal and then follow the steps above.


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With the latest TI-84 updates, you can work with fractions as actual fractions - not operators or decimals. To insert a fraction press Alpha > F1 > 1:n/d. Enter a couple of numbers, press the "+" sign, do it again, press enter, and you will get your answer!


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The TI-85 was the second graphing calculator made by Texas Instruments. (The first was the TI-81). The TI-84 is a much newer version and has more functionality and memory. The only real advantage that the TI-85 has over the TI-84 is that it costs less. As far as where you are allowed to use the calculator, almost every test or class that allows a TI-85 will allow a TI-84 as well. The TI-84 is a much better investment. (If the TI-84 is too expensive, look into getting a TI-83. This model is also newer than the TI-85.)


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How do you enter fractions on the TI-85?

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