Question

(25 13/27+12 4/19)+(13 15/19+21 5/9)=

Answer 1

$( frac{688}{27} + frac{232}{19} ) + ( frac{262}{19} + frac{194}{9} ) = frac{13072 + 6264}{513} + frac{2358 + 3686}{171} = frac{19336}{513} + frac{6044*3}{513} =  frac{19336}{513} + frac{18132}{513} = frac{37468}{513} = 73 frac{19}{513}$