1/8 + c = 4/5 what does c equal

c=27/40 = 0.675

Step-by-step explanation:

the statement give us the expression:

1/8 + c = 4/5

we subtract the term "1/8" both sides:

we have:

1/8 - 1/8+c = 4/5-1/8

c=4/5-1/8

c = (4*8) - (5*1) / (5*8)

c = (32-5) / (40)

c = 27/40 = 0.675