Are these feet and inches ??
8 5/12 + 11 1/4 feet
= 236 inches
= 236/12 feet
= 19 feet, 8 inches
or
8 5/12 feet + 11 1/4 feet
= 8 5/12 + 11 3/12
= 19 8/12
= 19 feet, 8 inches
go metric to avoid such silly arithmetic
8'5/12+11'1/4
1 answer