5 3/8 - 3 5/8 решить
5 3/8 - 3 5/8 = 43/8 - 29/8 = 43/8 - 29/8 = 14/8 = 7/4 = 1 3/4
43/8 - 29/8 = 14/8 = 7/4 = 1.75