3 2/9-5 2/10-1 5/9+3/10=
-1 3/16+4 17/25-5/16-1 2/25-5-10=

1)  3 2/9 - 1 5/9=2 9/9- 1 5/9 = 1 4/92) -(5 2/10 - 3/10)= - (4 12/10- 3/10) = - 4 9/103) 1 4/9-4 9/10 = -( 4 81/90- 1 40/90) = -3 41/90___________________________________________1)-( 1 3/16-5/16) = - ( 19/16-5/16) = - 14/16= -7/82)4 17/25- 1 2/25= 3 15/25= 3 3/53) -5-10=-154) 3 3/5 - 7/8 = 3 24/40 - 35/40 = 2 64/40- 35/40 = 2 29/405) 2 29/40 -15 = -(14 40/40 - 2 29/40) = -12 11/40