Respuesta :
5-7/10, 3/2-4/5 common denominator is 10
7/6+(-5/12), -3/4+(-2/3), common denominator is 12
13/24+7/12, 1/8-5/3 common denominator is 24
7/6+(-5/12), -3/4+(-2/3), common denominator is 12
13/24+7/12, 1/8-5/3 common denominator is 24