4,14 = 4 + 14/100 = 4 7/50
0,13(79) = 0,1379797979... = 13/100 + 79/9900 = (13*99 + 79)/9900 = 1336/9900 = 668/4950
0,(245) = 0,245245245... = 245/999 = 245/999
7,12(181) = 7 + 12 + 181/999 = 19 + 181/999 = 19 + 181/999
4,14 = 4 + 14/100 = 4 7/50
0,13(79) = 0,1379797979... = 13/100 + 79/9900 = (13*99 + 79)/9900 = 1336/9900 = 668/4950
0,(245) = 0,245245245... = 245/999 = 245/999
7,12(181) = 7 + 12 + 181/999 = 19 + 181/999 = 19 + 181/999