Question

Решите пример $frac{4}{12} + (1 frac{3}{4} - frac{1}{12} ) - frac{5}{14} + 1 frac{2}{3}$

Answer 1

$frac{4}{12}+ frac{7}{4}- frac{1}{12}- frac{5}{14}+frac{5}{3}=2+ frac{5}{3}- frac{5}{14}= frac{84-40+140}{42}= frac{184}{42}=4 frac{18}{42}$