Respuesta :
1/3 + 3/4 = 4/12 + 9/12 = 13/12 = 1 1/12
2 + 1 1/12 - 1 1/2 = 3 1/12 - 1 6/12 = 1 7/12
hope that helps :)
2 + 1 1/12 - 1 1/2 = 3 1/12 - 1 6/12 = 1 7/12
hope that helps :)