Respuesta :

Answer:

1/12

Step-by-step explanation:

3/4 + z = 5/6

Subtract 3/4 from each side

3/4 -3/4+ z = 5/6-3/4

z = 5/6 -3/4

Get a common denominator of 12

z = 5/6 *2/2 -3/4 *3/3

z = 10/12 - 9/12

z = 1/12

Lcm of 4 and 1 is 4
So, 3/4(4)+z(4)=5/6(4)
3+4z=20/6
4z=(20/6)-3
4z= 2
Z=1/2