Soluciones: Reducir a común denominador

547.
\large \frac{any}{bny}\, ,\, \frac{mby}{bny}\, ,\, \frac{xbn}{bny}
548.
\large \frac{2abc^{2}m}{18a^{3}b^{2}c^{2}}\, ,\, \frac{3a^{2}c^{2}n}{18a^{3}b^{2}c^{2}}\, ,\, \frac{6b^{2}r}{18a^{3}b^{2}c^{2}}
549.
\large \frac{63ab^{2}d^{2}}{360b^{4}c^{3}b^{2}}\, ,\, \frac{50b^{5}cd}{360b^{4}c^{3}b^{2}}\, ,\, \frac{88c^{4}}{360b^{4}c^{3}b^{2}}
550.
\large \frac{6a^{3}n}{20b^{5}mn}\, ,\, \frac{5b^{3}m}{20b^{5}mn}\, ,\, \frac{8ab^{4}n}{20b^{5}mn}
551.
\large \frac{a}{a^{2}-b^{2}}\, ,\, \frac{a-b}{a^{2}-b^{2}}\, ,\, \frac{a+b}{a^{2}-b^{2}}
552.
\large \frac{50a^{3}b^{2}c^{2}d}{120a^{4}b^{3}c^{3}d}\, ,\, \frac{32ab^{5}c}{120a^{4}b^{3}c^{3}d}\, ,\, \frac{15a^{3}c^{2}d}{120a^{4}b^{3}c^{3}d}
553.
\large \frac{3x(a+b)}{6(a^{2}-b^{2})}\, ,\, \frac{2y(a-b)}{6(a^{2}-b^{2})}\, ,\, \frac{6z}{6(a^{2}-b^{2})}\, ,\, \frac{6(a+b)^{2}}{6(a^{2}-b^{2})}
554.
\large \frac{100x(x+1)}{60(x^{2}-1)}\, ,\, \frac{30(x^{2}-1)^{2}}{60(x^{2}-1)}\, ,\, \frac{75(x-1)}{60(x^{2}-1)}\, ,\, \frac{72(x^{4}-1)}{60(x^{2}-1) }
555.
\large \frac{5x+5}{3}=\frac{5(x+1)}{3}
556.
\large \frac{10x^{2}+12x+3}{2x+4}
557.
\large \frac{x^{2}+y^{2}+2xy-2xy-y^{2}}{x+y}= \large \frac{x^{2}}{x+y}
558.
\large \frac{3x+14}{2x-3}
559.
\large \frac{a^{4}-b^{4}}{ab(a^{2}-b^{2})}\, ,\, \frac{a^{3}b(a+b)}{ab(a^{2}-b^{2})}\, ,\, \frac{ab^{3}(a-b)}{ab(a^{2}-b^{2})}{}{} \large ,\, \frac{a^{2}b^{2}}{ab(a^{2}b^{2})}
560.
\large \frac{2am(m-n)}{4a^{2}(m^{2}-n^{2})}\, ,\, \frac{n(m-n)}{4a^{2}(m^{2}-n^{2})}\, ,\, \frac{n(n-m)}{4a^{2}(m^{2}-n^{2}) }

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