(-1 3/8- 2 5/12) : 5 5/12=??? помогите. по действиям!

1) -1 3/8 - 2 5/12 = -1 9/24 - 2 10/24 = -3 19/242) -3 19/24 : 5 5/12 = -91/24 * 12/65 = -7/10 = -0,7