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what is the answer :/  3/4+z=4/5  try it, i don't know the answer to my math problem. plz help me :)..........

 Nov 30, 2016
 #1
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3/4+z=4/5

 

\(\frac{3}{4}+z=\frac{4}{5}\)          [ - \(\frac{3}{4}\) 

 

\(z=\frac{4}{5}-\frac{3}{4}\)          [ least common multiple = \(5\times4=20\)

 

\(z=\frac{4\times 4-3\times 5}{20}\)

 

\(z=\frac{16-15}{20}\)

 

\(z=\frac{1}{20}\)   laugh  !

 Nov 30, 2016

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