1)-5/12+3/8; 2)7/15+(-2/5); 3)-1/8+3/5; 4)5/8+(-1/4); 5)3/5+2/2; 6)5/16+(-2/3);
1)-5/12+3/8= -10/24 + 9/24 = -1/24; 2)7/15+(-2/5)=7/15 - 6/15= 1/15; 3)-1/8+3/5= -5/40 + 24/40 = 19/40; 4)5/8+(-1/4)= 5/8 - 2/8 = 3/8; 5)3/5+2/2= 3/5 + 1 = 1 3/5; 6)5/16+(-2/3)= 15/48 - 32/48 = -17/48;