rainbow_rocks03
  • rainbow_rocks03
Plz explain how to do this NO direct answers plz! will medal for best response.
Mathematics
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
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anonymous
  • anonymous
hi
rainbow_rocks03
  • rainbow_rocks03
i am putting the question down plz be patient, TY!
rainbow_rocks03
  • rainbow_rocks03

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rainbow_rocks03
  • rainbow_rocks03
PLZ explain no direct answers!
rainbow_rocks03
  • rainbow_rocks03
anonymous
  • anonymous
you need to change both fractions to a common denominator to do addition (and subtraction). What is the least common multiple of 6 and 8?
rainbow_rocks03
  • rainbow_rocks03
do you mean LCD or LCM cause its been saying LCD
anonymous
  • anonymous
for this purpose, they're pretty much the same thing
rainbow_rocks03
  • rainbow_rocks03
oh ok, i thought so
rainbow_rocks03
  • rainbow_rocks03
So the LCD of 6 and 8 is 24?
anonymous
  • anonymous
right
anonymous
  • anonymous
hi
rainbow_rocks03
  • rainbow_rocks03
stop saying hi plz.
anonymous
  • anonymous
so now you have to multiply the fractions by 1 in other forms to change them. multiply 1/6 by 4/4 and mulitply 3/8 by 3/3.\[\frac{ 1\times4 }{ 6\times4 }+\frac{ 3\times3 }{ 8\times3 }\]
anonymous
  • anonymous
that will give you 24 in both denominators
rainbow_rocks03
  • rainbow_rocks03
1*4=4 & 3*3=9
anonymous
  • anonymous
yes, so you have 4/24 + 9/24 =
rainbow_rocks03
  • rainbow_rocks03
Now I add the numerators together?
anonymous
  • anonymous
yes
rainbow_rocks03
  • rainbow_rocks03
so 4+9=13
anonymous
  • anonymous
right
anonymous
  • anonymous
so your final answer is what?
rainbow_rocks03
  • rainbow_rocks03
13/24 ?
anonymous
  • anonymous
yep :)
rainbow_rocks03
  • rainbow_rocks03
TY for the help @peachpi !!! :D
anonymous
  • anonymous
you're welcome
anonymous
  • anonymous
the reason this works is because once the two values are expressed with a common denominator, that fraction can be factored out. it leaves a simple addition of whole numbers which can be added and then multipled by the factor to yield a single value: \[\frac{ 1 }{ 6 }+\frac{ 3 }{ 8 }=\frac{ 1 }{ 6 }\cdot \frac{ 4 }{ 4 }+\frac{ 3 }{ 8 }\cdot \frac{ 3 }{ 3 }=\frac{ 4 }{ 24}+\frac{ 9 }{ 24 }=\frac{ 1 }{ 24 }\left( 4+9 \right)=\frac{ 1 }{ 24 }\left( 13 \right)=\frac{ 13 }{ 24 }\]
rainbow_rocks03
  • rainbow_rocks03
can you help with another cause im still kinda not used to it. :/
rainbow_rocks03
  • rainbow_rocks03

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