Question

It took Alice 5 5/6 hours to drive to her grandparents' house for Thanksgiving. 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. ?

Answer 1

1 13/24 hours

Explanation:

If we are finding something longer , we know that is subtraction

7 3/8 - 5 5/6

The common denominator is 24

7 3/8 *3/3 = 7 9/24

5 5/6 = 5 5/6 *4/4 = 5 20/24

7 9/24 - 5 20/24

We will need to borrow from the 7 since 20>9

6 + 24/24 + 9/24 - 5 20/24

6 33/24 - 5 20/24

1 13/24 hours