Выполни вычитание 2 5/24 -11/18. 16 9/25-5 13/15. 7-3/8
1) 2 5/24 - 11/18= 53/24 - 11/18=159/72-44/72=115/72= 1 43/72; 2) 16 9/25 - 13/15= 409/25-13/15=1227/75-65/75=1162/75=15 37/75; 3) 7 - 3/8 = 56/8 - 3/8 = 53/8 = 6 5/8.