please with explanation

C: Fill the missing values in the following table. The values should be expressed in two's complement form and have 8 bits before the binary decimal point and 8 bits after the binary decimal point. For the decimal version you should write as a mixed fraction) (40 points, 2 points for each missing value) Decimal 18 1/8 18 1/8 Binary 0b00010010.00100000 0x12.20 0b11101101.11100000OxED.E0 0b11100010.01110000 Hexadecimal 0x3A.92 OxF4.CB 0b01001011.11010110 120 7/32 -92 12/128 0b00101101.11001010 0x52.0C 71 13/64 0b01101010.00111001