SOLUTION: {{{(7/20)+(3/16)=x}}} ?what is x?

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Question 569661: %287%2F20%29%2B%283%2F16%29=x ?what is x?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
%287%2F20%29%2B%283%2F16%29=x
find common denom fastest is to just multiply the two denoms
20*16=320
16*7=112
20*3=60
%28112%2F320%29%2B%2860%2F320%29=x add
172%2F320=xreduce by 4 172/4=43 320/4=80
43%2F80=x