Step-by-step explanation:
27/48, 6, -13/80, -52/64.
We know that 27/48 < 48/48 (1), therefore 27/48 < 6.
-13/80 and -52/64 are negative fractions, but -52/64 is less than -13/80.
Hence the arrangements of numbers from least to greatest is: -52/64, -13/80, 27/48, 6.