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657-10-4-5-7-




Question Number 118369 by Samokoji last updated on 17/Oct/20
 657×10^4 =(5/7)+
$$\:\mathrm{657}×\mathrm{10}^{\mathrm{4}} =\frac{\mathrm{5}}{\mathrm{7}}+ \\ $$
Commented by MJS_new last updated on 17/Oct/20
a=b+x ⇒ x=a−b  a−(p/q)=((aq)/q)−(p/q)=((aq−p)/q)  where′s the problem?
$${a}={b}+{x}\:\Rightarrow\:{x}={a}−{b} \\ $$$${a}−\frac{{p}}{{q}}=\frac{{aq}}{{q}}−\frac{{p}}{{q}}=\frac{{aq}−{p}}{{q}} \\ $$$$\mathrm{where}'\mathrm{s}\:\mathrm{the}\:\mathrm{problem}? \\ $$

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