Peter has 4 friends. He invited them to his home. He ordered a pizza of his favorite and made it into 5 slices.
Few minutes later, one of his friends Smith came and they enjoyed one slice of pizza each.
Now, the question is what portion of the pizza left for his remaining friends?
Answer :
Peter made the pizza into 5 pieces.
So,
Peter and Smith had th of the pizza each.
So, the remaining portion =