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What should be added to $(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$ to get 3?
Given :
The given numbers are $(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$ and $3$.
To do :
We have to find the number that should be added to $(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$ to get $3$.
Solution :
Let the number to be added to $(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$ to get $3$ be $x$.
This implies,
$(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})+x=3$
$x =3 - (\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$
$x =3 - (\frac{1(15)+1(10)+1(6)}{30})$
$x=3-\frac{31}{30}$
$x = \frac{3(30)-31}{30}$
$x = \frac{90-31}{30}$
$x=\frac{59}{30}$
The number to be added to $(\frac{1}{2}+\frac{1}{3}+\frac{1}{5})$ to get $3$ is $\frac{59}{30}$.
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