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Playlist Fractions and Decimals 14 videos
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...
This video explains how to convert between decimals, percents, and fractions. All three of these languages are just different ways of showing parts...
Dividing Decimals by Decimals 3364 Views
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Description:
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
Full Transcript
- 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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