Найди значения выражения 3/2-9/5= (19/8+11/12)/5/48=

3/2 - 9/5 = 15/10 - 18/10 = - 3/10 = - 0,3

(19/8 + 11/12)/5/48 = 31 3/5
1) 19/8 + 11/12 = 57/24 + 22/24 = 79/24
2) 79/24 : 5/48 = 79/24 * 48/5 = 158/5 = 31 3/5 = 31,6