If you are asking one-eighth plus two-thirds then the answer is 14/16 which reduces to 7/8. Find the least common denominator (16)
If you are asking one over one-eith plus two-thirds then the answer is 8 and two-thirds. This is because one over one-eighth means one divided by one eighth. You would invert the denominator (one-eighth) and multiply it to one. Eight over one is the same as eight. One times eight equals eight. Then add eight to two-thirds. This equals eight and two thirds (8 2/3).
one twelfth
One eighth plus one eighth is one fourth.
One ninth plus One eighth is 17/72, or seventeen seventy-seconds
1.125
4 and two thirds 4 and two thirds
2.5625
16.25
one twelfth
One eighth plus one eighth is one fourth.
Two over eight plus four over eight plus one over eight equals seven over eight
11 over 40
Three thirds
two and one eighth
5 and 1/3
The answer is...one half (4/8=1/2)
two and two thirds (22/3)
1/2 plus 1/8 plus 1/8 = 3/4