Question

Observe a expressão numérica abaixo:

2/3 + 2/7 / 3/7 + 3/5

Answer 1

$\frac{\frac{2}{3} +\frac{2}{7} }{\frac{3}{7} +\frac{3}{5}} \\\frac{\frac{14}{21} +\frac{6}{21} }{\frac{15}{35} +\frac{21}{35}} \\\frac{\frac{20}{21} }{\frac{36}{35}}} \\\frac{20}{21} *\frac{35}{36} \\\frac{25}{27}$