If I'm reading this correctly, you're asking for 3/4/8 + 1/3/4. *whips out calculator*
3 divided by 4=.75
.75 divided by 8=.09375=3/32
1/3 divided by 4 = 1/12
3/32 + 1/12 = 17/96 < simplest form
Just use a good calculator. o3o
*If you have to show your work, find common denominators and simply your answers.