Question

13 1/14-(3 5/21+4 6/7)= ?

Answer 1

$13 frac{1}{14} - (3 frac{5}{21} + 4 frac{6}{7} ) = \ = frac{13}{14} - ( frac{5}{7} + frac{24}{7} ) = \ = frac{13}{14} - frac{29}{7} = \ = - frac{45}{14} = \ = - 3 frac{3}{14}$