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Playlist Fractions and Decimals 14 videos

0
Pre-Algebra: Adding and Subtracting Fractions and Decimals
6156 Views

Worried about adding and subtracting fractions? Never fear. It's so easy that it will only take up a fraction of your time: just use multiplication...

1
Converting Decimals
1957 Views

This video explains how to convert between decimals, percents, and fractions. All three of these languages are just different ways of showing parts...

2
All You Need to Know About Converting Decimals
1334 Views

We're .999 sure you can figure out how to convert decimals to percents and vice versa, but just in case, take a look at this video. We're 100% sure...

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Dividing Decimals by Decimals 3364 Views


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Transcript

00:00

Thank you Dividing decimals by decimals Allah shmoop there's A

00:07

lot we take for granted For example we haven't always

00:09

been able to divide decimals by other decimals However thanks

00:12

to a recent supreme court decision decimals are now free

00:15

to be divided by one of their own kind Okay

00:18

okay We won't make this political You can start to

00:20

develop a bit of a headache when you see a

00:22

problem like this So many digits So many zeros but

00:26

there's actually a really easy trick that makes these problems

00:28

that total breeze And i'll save you a trip to

00:30

the medicine cabinet for a dose of excedrin Let's Suppose

00:33

we got this problem Oh five two divided by point

00:37

one three Where do we even begin Well it's going

00:40

to be a heck of a lot easier if we

00:42

divided by a whole number So let's do that We

00:44

start by moving the decimal place in each number over

00:47

as many spaces Is it takes to make a point

00:49

O one three are divisor ah hole number Are we

00:52

allowed to do that Well why isn't anyone blowing a

00:55

whistle here Group in mind that whenever we divide one

00:57

number by another were basically creating a fraction point Oh

01:01

five two divided by point one three is the same

01:03

asked point Oh five two over point one three So

01:08

if we multiply both top and bottom of the fraction

01:10

by a thousand we get point five two divided by

01:13

thirteen the exact same value and much easier to work

01:17

with right thousand over a thousand is one Don't forget

01:20

that from there we just divide like we would any

01:22

long division problem We move the decimal place directly upward

01:26

and wind up with point oh four which is our

01:28

answer and that's Why one decimal being divided by another

01:31

decimal isn't so bad Oh if you don't like the 00:01:34.754 --> [endTime] ruling well you people can appeal

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