Question

cuanto es 4/5 mas 4/8
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Answer 1

$\frac{4}{5}+\frac{4}{8}\\\\\mathrm{Descomponer\:el\:numero\:en\:factores\:primos:}\:8=4\cdot \:2\\\\=\frac{4}{4\cdot \:2}\\\\\mathrm{Eliminar\:los\:terminos\:comunes:}\:4\\\\\frac{4}{5}+\frac{1}{2}\\\\Minimo\:comun\:multiplo\:de\:5\:y\:2: 10\\\\=\frac{8}{10}+\frac{5}{10}\\\\\mathrm{Aplicar\:las\:propiedades\:de\:las\:fracciones}:\quad \frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}\\\\\frac{8}{10}+\frac{5}{10}=\frac{8+5}{10}\\\\\frac{8+5}{10}\\\\\frac{13}{10}$

Rpta: 4/5+4/8 = 13/10