15\24+3\8 7\6+16\18 1\12+1\6 1\2+3\10
5/24 + 3/8 = 5/8 + 3/8 = 8/8 = 1 7/6 + 16/18 = 7/6 + 8/9 =(7 * 3+8* 2)/18 = 21 /18 +16/18 = 37/18 = 2 1/18 1/12 + 1/6 =1/12 + 2/12= 3/12=1/4 1/2 + 3/10 = 5 /10 + 3/10 = 8/10 = 4/5