i am in 4th grade i need a refresh, someone to show me and explain the problem so that i can solve other problems...2/8+1/4+?=1 can you please show you got the answer please.. thxs

Question

anonymous · Answer

2/8 = 1/4
1/4 + 1/4 = 1/2
1/2 + ? = 1
? = 1/2

anonymous · Answer

ok  so  i see now how you got the answer, now what  if it's an odd number like 2/5+5/10+?=
did i do this problem right so its 1/4+3/4+?=1 i put 0 is that right?

anonymous · Answer

1/10 is answer right hope so cu thats final answer for me