35
The sum of these numbers is 563.
I meant 6 4 over 5 plus 3 3 over 5
1/14 + 2/35 + 3/12 = 53/140
3/5 + 7/9 = 27/45 + 35/45 = 62/45
35
35
3 hours, 35 minutes, and 45 seconds plus 1 hour, 45 minutes and 30 seconds is 5 hours, 21 minutes, and 15 seconds.
7 hrs
3 times 7 plus 6 is equal to 27.
27/45 + 20/45 = 1 and 2/45
4/5+2/7=38/35 which is equal to 1 and 3/35