tlng dong di jwb?? trima ksihh

5/8+1,6 =2.225
1/2+9,125 =9.625
4 4/7+3,67= 32/7 +3,67 =8,2
1 3/4+6,625=7/4+6,625=8.375

5/8 + 1,6 = 5/8 + 8/5 = (25+64)/40 = 89/40