What length of wood remains when 2½ yards is cut from 4 ¼ yards

Answer 1

4 1/4 - 2 2/4
= 3 5/4 - 2 2/4
= 1 3/4

Answer 2

always check
1 3/4 + 2 2/4 = 3 5/4 = 3 + 1 + 1/4 = 4 1/4