[tex]\textbf{Resta de fracciones}\\\\\dfrac{a}{b}-\dfrac{c}{d}=\dfrac{ad-bc}{bd}\\\\\\\textbf{Resolvemos}\\\\\dfrac{8}{5}-\dfrac{25}{20}=\dfrac{8\cdot20-5\cdot25}{5\cdot20}=\dfrac{160-125}{100}=\dfrac{35}{100}=\dfrac{7}{20}\\\\\\\textbf{Respuesta}\\\\\dfrac{7}{20}[/tex]
Respuesta:
[tex]\frac{7}{20}[/tex]
pasos
[tex]=\frac{8}{5}-25/20\\\\\frac{8}{5}-\frac{25}{20}[/tex]
resultado
7/20
[tex]\textbf{Resta de fracciones}\\\\\dfrac{a}{b}-\dfrac{c}{d}=\dfrac{ad-bc}{bd}\\\\\\\textbf{Resolvemos}\\\\\dfrac{8}{5}-\dfrac{25}{20}=\dfrac{8\cdot20-5\cdot25}{5\cdot20}=\dfrac{160-125}{100}=\dfrac{35}{100}=\dfrac{7}{20}\\\\\\\textbf{Respuesta}\\\\\dfrac{7}{20}[/tex]