Question

I traveled 263 1/4 miles off of 13 1/2 gallons of gas. how many miles did i go per gallon

Answer 1

(263 1/4) / (13 1/2) = 
(1053/4) / (27/2) =
(1053/4) * (2/27) =
2106 / 108 =
19.5 (or 19 1/2) miles per gallon