Kelly and avril chose complex numbers to represent their songs' popularities. kelly chose $508+1749i$. avril chose $-1322+1949i$. what is the sum of their numbers?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?