Anwer: 7 3/4
Explanation:
[(3*8)+7]/8 denominator * whole number + numerator
3 7/8 can be rewritten as 31/8
all over the denominator of 8
(31/8) * 2 Now you multiply by 2
(31/8) * 2/1 converting the whole number 2 to a fraction (anything divide by one is the original number)
(31*2)/ (8*1) (numberator *numberator) / (denominator * denominator)
=62/2 multiply the tops, multiply the bottoms
==31/2 gives you an improper fraction
=7 3/4 convert to mixed number form