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OpenStudy (hellomynameiskam):
Find the sum of 5/6 and 1/8.
A. 6/11
B. 1 1/24
C. 23/24
D. 5/48
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pooja195 (pooja195):
\[\huge~\rm~\frac{ 5 }{ 6 }+\frac{ 1 }{ 8 }=? \]
pooja195 (pooja195):
First let's start by finding an LCD
Do you know what number we can use?
OpenStudy (hellomynameiskam):
Kinda
pooja195 (pooja195):
Tell me what you think :)
OpenStudy (hellomynameiskam):
8 ?
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pooja195 (pooja195):
If we multiplied both of the denominators by 8 would they be the same?
pooja195 (pooja195):
They wouldn't...
What number can we multiply 6 and 8 by to get the same denominator?
OpenStudy (hellomynameiskam):
would it be 6 then ?
pooja195 (pooja195):
6 x 6=36
8 x 6= 48
so no its not 6
pooja195 (pooja195):
Lets go down the list we know its not 1 lets try 2
8 x 2=?
6 x 2=?
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OpenStudy (hellomynameiskam):
2 wouldnt work
pooja195 (pooja195):
Good
And actually they dont need to be the same number we just need a number for both to make the numbers (denominators the same)
8 x 3=?
6 x 4=?
OpenStudy (hellomynameiskam):
it would be 24
pooja195 (pooja195):
Good :)
\[\huge~\rm~\frac{ (4)5 }{ (4)6 }+\frac{ (3)1 }{ (3)8 }=?\]
pooja195 (pooja195):
Good :)
\[\huge~\rm~\frac{ 20+3 }{ 24 }=?\]
What would the answer be?
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OpenStudy (hellomynameiskam):
23/24
pooja195 (pooja195):
Well done :-)
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