To find the closest value of the fraction look at the numerator if it is closest to the denominator, then the fraction is closest to 1
Since Jordan went swimming for 7/8 hr in the morning, then
7/8 is closest to 1 hr
Since Jordan went swimming for 5/6 hr afternoon, then
5/6 is closest to 1 hr
The total time is closest to 7/8 + 5/ 6 = 41/24 hrs
41/24 is closest to 2 hrs
Total time Jordan went swimming is closed to 2 hrs