Lito bought 1/4 litre of gasoline. He used 1/5 litre in going to a nearby town. how many litre of gasoline was left unuse?

A. 2/9
B. 9/20
C. 1/20
D. 15/20

No need ng po ng step by step explanation basta po siguraduhin nyo lng na tama answer nyo. Thanks po ​