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GED Math Videos 69 videos
GED Math: Graphs and Functions Drill 5, Problem 5. What is the value of a?
GED Math: Measurement Drill 1, Problem 1. The area, in square inches, of the shaded region where the two rectangles overlap is...what?
GED Math 1.1 Graphs and Functions. Which is the appropriate region of the coordinate plane?
GED Math 1.2 Rational Numbers 251 Views
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Description:
GED Math 1.2 Rational Numbers. Reduce the fraction.
Transcript
- 00:00
Thank you We sneak in and here's your shmoop too
- 00:05
sure brought to you by reduced fractions Hey the best
- 00:08
things can come in Reduce packages alright Produced the fraction
- 00:12
fifty for ninety nine's chair and here the potential answers
- 00:21
Okay so this question simply wants us to take the
Full Transcript
- 00:24
fraction fifty for over ninety nine and reduce it as
- 00:28
much as possible Like the biggest loser we could spend
- 00:31
a bunch time trying to figure out what the largest
- 00:33
number is that we can divide out of both the
- 00:36
numerator and denominator But we're actually fans the shortcuts around
- 00:39
here You should see how little time and takes us
- 00:41
to finish a marathon Yeah any way we can start
- 00:44
by dividing out a very small number that we feel
- 00:47
confident divides into both numbers just to make the thing
- 00:50
a bit more manageable Well it certainly looks like three
- 00:53
is a factor of ninety nine which indeed it is
- 00:55
So does it go evenly into fifty for you Bet
- 00:58
if we divide top and bottom by three we get
- 01:01
eighteen over thirty three Oh both Numbers are still divisible
- 01:05
by 3 so let's do it again and we get
- 01:09
six over eleven which is answered choice See And we're
- 01:12
done But there's extra credit here If you had recognized
- 01:16
right off the bat that both fifty four and ninety
- 01:20
nine are divisible by nine Well then more power to
- 01:23
you and there's a little trick here five plus four
- 01:27
right there equals nine which is visible by three and
- 01:30
nine plus nine is eighteen which is visible by three
- 01:34
and well that's Just another trick for you So you
- 01:36
would have saved yourself an extra couple of seconds if
- 01:39
you'd followed our path there But well we hope you 00:01:41.696 --> [endTime] made the most of it
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