Here, we have to find the binary equivalent of the number 531.53125 Integer part: 531 Fractional part: 0.53125 Convert integer part into binary: So, the binary equivalent of 531 is (1000010011)2 Now let's convert fractional part into binary: 0.53125×2=1.0625[1] 0.0625×2=0.125[0] 0.125×2=0.25[0] 0.25×2=0.5[0] 0.5×2=1.00[1] So, the binary equivalent of 0.53125 is (0.10001)2 So, the binary equivalent of the decimal number 531.53125 is (1000010011.10001)2