Respuesta :

asalgari
-0.460317460317446... I think
bcalle
6/7 - 5/9
first get common denominators; 63 would be the common denominator
change the fractions to a denominator of 63
6/7 = 54/63
5/9 = 35/63
Now subtract the numerators but keep the denominators
(54/63) - (35/63) = 19/63