1/4" = 1' convert 3 1/2 into an improper fraction with a denominator of 4: 3 1/2" = 7/2" = 14/4" 1/4" = 1', so 14/4" = 14' this side measures 14ft. next, convert 5 1/4" into an improper fraction: 5 1/4" = 21/4" 1/4" = 1', so 21/4" = 21' this side measures 21 ft.
