Converting percent to decimal and fraction | Decimals | Pre-Algebra | Khan Academy

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You'll find that be able to move easily between percentages, decimals, and fractions is HUGELY helpful. So let's practice!
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Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane and algebra is your sunny vacation destination. Without the runway you're not going anywhere. Seriously, the foundation for all higher mathematics is laid with many of the concepts that we will introduce to you here: negative numbers, absolute value, factors, multiples, decimals, and fractions to name a few. So buckle up and move your seat into the upright position. We're about to take off!
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[@NewWarOrder]

Something that helped me with this was multiplying the percent such as 87%x 1/100, except lose the % symbol on a calculator, to get the percent to a fraction or multiplying 87 by .01 to get it into decimal form. Not sure how far this can take you but it has solved a few problems for myself on certain tests.

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18/100 Divide 18 by 100 it's 0 write (0,) down and put a 0 next to the 18 which makes it 180 180 divided by 100 is 1 remainder 80 write (0,1) put a 0 next to the remainder which is 80 when you place the 0 it becomes 800 800 Divide by 100 is 8 Write down (0,18)

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First comment on this vid

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[@ambarfouzia]

Now I need the opposite of this, I need to know how to turn a fraction into a percentage 😂

[@ryuKmedia]

To convert a fraction to a percent, first divide the numerator by the denominator. Then multiply the decimal by 100 . That is, the fraction 48 can be converted to decimal by dividing 4 by 8 . It can be converted to percent by multiplying the decimal by 100 .

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What if theres more than 2 units.......

[@rouguiatoudiallo4771]

Tanya Lopez Then you add those two units. Hope this helps you.

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Tanya Lopez if there are more than 2 units u would do this for example 180% is 180/100 or 1.80

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Sorry sir what happens if there is more than 1 common factor in an fraction?

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Whos watching this in 2019 or 2020

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What about if its not divisible by 2

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Can really help with extra homework :)

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I’m confused on why 18% would be 0.18 in decimal form because that’s saying 1 tenth plus eight hundredths which doesn’t equal 18.

[@tttylerpantsthesquirrel2814]

I, a Squirrel, can help you with that. I've been learning human math for over a year, and I know how to help you. 18% = 0.18 because one whole, or 1, is equil to 100%. This means that 18% is less then 1.

[@izzy1yyy]

Because you multiply it by 100, therefore the decimal moves over?