Jerome has one-half of the group’s video games at his house. Mario has two-fifths of the group’s video games at his house. What fraction of the group’s video games is either at Jerome’s house or Mario’s house?

explain how you got your answer.

2 answers

The answer is 7/10. To get this answer, we can add the fractions of the video games at Jerome's and Mario's house. One-half plus two-fifths is equal to 7/10.
One little problem with the bot's answer

1/2 + 2/5 = 9/10, not 7/10