If you mean 3/8 divided by 7 and 1/4 then the quotient is 3/58
three or twent four eights
seven eights. 1 half = 4 eights add 3 eights and you get 7 eights.
7/8 divided by 49/16 = 7/8 x 16/49 = 2/7
Three and seven eights
one and seven eighths
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.
Five and seven eighths