Seven eights plus three eights is ten eights. Now, possibly you intended to ask about eighths, rather than eights. Ten eighths is equal to one and a quarter. However, ten eights is equal to 80. The extra h makes a difference.
16/40 + 15/40 = 31/40
Three eights (24) plus three eights (24) = 48.
(Three of anything) plus (another three of it) = (six of the same thing)
It would be 13/8 or 1 and 5/8
9 39/40
It is 1.175
2 and thirty-nine fortieths
the correct answer is one and eleven fortieths or 1 11/40
It is: 3/5+5/8 = 49/40
Seven eights plus three eights is ten eights. Now, possibly you intended to ask about eighths, rather than eights. Ten eighths is equal to one and a quarter. However, ten eights is equal to 80. The extra h makes a difference.
seven eights. 1 half = 4 eights add 3 eights and you get 7 eights.
16/40 + 15/40 = 31/40
Five and seven eighths
four and seven eights
5
3/4