Respuesta :
Answer by JKismyhusbandbae:
[tex]\mathrm{Convert\:mixed\:numbers\:to\:improper\:fractions}:\quad 1\frac{2}{7}=\frac{9}{7}\\=-\frac{4}{5}\cdot \frac{9}{7}\\\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\cdot \frac{c}{d}=\frac{a\:\cdot \:c}{b\:\cdot \:d}\\=-\frac{4\cdot \:9}{5\cdot \:7}\\\mathrm{Multiply\:the\:numbers:}\:4\cdot \:9=36\\=-\frac{36}{5\cdot \:7}\\\mathrm{Multiply\:the\:numbers:}\:5\cdot \:7=35\\=-\frac{36}{35}\\\mathrm{Convert\:improper\:fractions\:to\:mixed\:numbers}:\quad \frac{36}{35}=1\frac{1}{35}\\=-1\frac{1}{35}[/tex]
