Your TI calculator can manipulate fractions

pretty easily. Your fraction key is located right here. That “A” represents the whole number part,

the “b” represents the numerator part, and the “c” represent the denominator part. This fraction key separates every component

of your fraction. So, for example, you want to enter the fraction

three fourths. You’ll press the 3 key, then you’ll press

the fraction key, and then you’ll press the 4 button. This is how it looks when you enter. All that

backward mark means is that you’ve separated the components of your fraction. When you press the enter button this is how

the fraction will look on your screen. Now, what happens if you want to enter in

a mixed numeral, three and a half. We’ll you’ll do the same thing, only you’ll

have an extra two buttons to push. Here’s your 3, your fraction key, your 1,

your fraction key, and then your 2. Now notice those separation marks are the

same. It really doesn’t matter. All your calculator knows is that this is your whole number, this

is your numerator, and this is your denominator. Press enter and that is how your fraction

looks as a mixed number. Three, that stands for units, notice how it’s shaped like a little

“u.” Three units and one half of your next number. Now sometimes a mixed number isn’t the correct

method for an answer. Sometimes you need to convert your number

into an improper fraction. Your calculator can do that also. Notice that you’ve got this fraction key,

but right above it you have this A – b – c with these two arrows right there, and a d

– e. Your calculator converts. Now because this is up here we need our 2nd

button before we can access the conversion. So we’ll press the 2nd key and our fraction

key. Now notice what’s on the screen. What your calculator is prompting you to do

is take your answer and, please, convert the way it looks. To let the calculator know,

“Yes, I’d like you to do this please,” I press the enter key. So three and a half is the same thing as 7

over 2. That’s pretty spiffy. It does the same in reverse by the way. Three and a half. Now that’s not all your calculator does. Your calculator also reduces. How cool is

this! Let’s say you’ve got answer of 75 over 135. I don’t know about you, but those numbers

look kind of big! Wouldn’t it be great if your calculator could

reduce this automatically? It does. Seventy-five, press my fraction button, 135,

and now I press enter. The reduced form of this fraction is five

ninths. Rockin’ awesome! Your calculator adds, subtracts, multiplies,

and divides fractions also. So let’s take seven tenths and add it to eleven

fifteenths. 7 over 10, plus 11 over 15, and that equals

one and thirteen thirtieths. Pretty spiffy! Another great thing that your calculator can

do is convert to decimals. That is so awesome! This is your mixed number. To convert this to a decimal equivalent we

can hit this F to D command. That stands for fraction to decimal. Now because we have these two arrows it can

go either way, fraction to decimal, decimal to fraction. And again, that command is sitting above a

button so we must hit the 2nd key first. Now it’s asking me, “Would you like me to

change your format?” Yes please. So the equivalent decimal to one and thirteen

thirtieths is one point four three. That is a brief introduction to how your calculator

can use fractions and even convert from fractions to decimals.

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Does the calculator simplify it automatically?

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