Matching Pairs SUMA Y RESTA DE FRACCIONESOnline version COMBINADAS by LUIS ALFONSO HILO VELASCO 1 6/9 + 15/25 - 8/15= 2 2/3+ 5/6 -1/12= 3 6 + 5 1/3 - 4 1/6 - 1 1/2 = 4 7/12 + 5/9 - 4/24 = 5 9 - 5 1/6 + 4 1/12 = 5 2/3 7 11/12 1 5/12 11/15 35/36