https://decimal-to-binary.com/decimal-to-binary-converter-online.html?id=66094

Transfer 80.CD from hexadecimal in binary number system

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This transfer is possible in two ways: direct transfer and using the decimal system.

first, let\'s make a direct transfer.

let\'s do a direct translation from hexadecimal to binary like this:

80.CD16 = 8 0. C D = 8(=1000) 0(=0000). C(=1100) D(=1101) = 10000000.110011012

answer: 80.CD16 = 10000000.110011012

now let\'s make the transfer using the decimal system.

let\'s translate to decimal like this:

8∙161+0∙160+12∙16-1+13∙16-2 = 8∙16+0∙1+12∙0.0625+13∙0.00390625 = 128+0+0.75+0.05078125 = 128.8007812510

got It: 80.CD16 =128.8007812510

Translate the number 128.8007812510 в binary like this:

the Integer part of the number is divided by the base of the new number system:

1282
-128642
0-64322
0-32162
0-1682
0-842
0-422
0-21
0
Перевод чисел из одной системы счисления в другую

the Fractional part of the number is multiplied by the base of the new number system:

 Transferring numbers from one number system to another
0.80078125*2
1.60156*2
1.20313*2
0.40625*2
0.8125*2
1.625*2
1.25*2
0.5*2
1.0*2

the result of the conversion was:

128.8007812510 = 10000000.110011012
answer: 80.CD16 = 10000000.110011012