Question

So far John has run 1/4 of the way to school and walked 3/8 of the way. what fraction of the distance to school does John have left.

Answer 1

the whole road is 1

1-(1/4+3/8)=
1-(2/8+3/8)=
1-5/8=
8-5/8=
3/8 have left

Answer 2

$\frac{1}{4} + \frac{3}{8} = \frac{2}{8} + \frac{3}{8} =\frac{5}{8} \\\\left:\ \ \ 1-\frac{5}{8}=\frac{3}{8}\ \ \ of\ the\ distance\ to\ school$