54.1256
= 54 + 0.1256
0.1256 = 1256/10000 4 into 1256 is 314 4 into 10000 is 2500
= 314/2500 2 into 314 is 157, 2 into 2500 is 1250
= 157/1250
Therefore 54.1256 = 54 and 57/1250
We can convert it into improper fraction = (1250*54 + 57)/1250
= 67657/1250
Therefore 54.1256 = 54 and 57/1250
or 67657/1250