Respuesta :

H= 5/4 because you add 1/2 to cancel it and the would be 5/4 after you convert the fraction to 2/4. 
all you need to do here is do the opposite of what it is saying. so add 1/2 to 3/4, which is 1 1/4. 1 1/4 minus 1/2 is 3/4