Question

Riley,george and mason were sharing the driving on a trip along the coast Riley drove 3/5 of the distance and mason drove 3/20,what fraction if the total distance did George drive?

Answer 1

3/5 + 3/20
=12/20 + 3/20
=15/20

1 - 15/20
=20/20 - 15/20
=5/20
=1/4