7 1/4 + 5 3/5 = 12 17/20 You can't reduce it no more.
Dave arrived to his grandmother's hours in7.75 hours.
Answer:
13.2 or 13 1/5 inches
Step-by-step explanation:
2 1/5 in/day * 6 days = 13.2 or 13 1/5 inches
OR
2 1/5 in
+ 2 1/5 in
+ 2 1/5 in
+ 2 1/5 in
+ 2 1/5 in
+ 2 1/5 in
------------
13 1/5 in