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

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

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Question 569661: ?what is x?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!

find common denom fastest is to just multiply the two denoms
20*16=320
16*7=112
20*3=60
add
reduce by 4 172/4=43 320/4=80

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