Question 251668
convert all fractions to sixths (over 6)


why 3*2=6
11 4/6
9 3/6
subtract
2 1/6
we could also convert to minutes.
1/2*60=30
2/3*60=40
11 hrs 40 minutes
9 hr 30 minutes
2 hours and 10 minutes
(1/6)*60=10