SOLUTION: 1/R + 1/S and (S+R)/RS R=100 and S=180 1/R + 1/S = ? Simplify the answer HELP!!! Please

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Question 436526: 1/R + 1/S and (S+R)/RS
R=100 and S=180
1/R + 1/S = ? Simplify the answer

HELP!!! Please
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1/R + 1/S R=100 and S=180
1/R + 1/S = ? Simplify the answer
1/100 + 1/180
= (180+100)/(100*180)
= 280/18000
= 28/1800
= 14/800
= 7/400
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and (S+R)/RS
Same answer.
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Cheers,
Stan H.