Translate the number 21.687510 в binary like this:
the Integer part of the number is divided by the base of the new number system:
| 21 | 2 | | | | |
| -20 | 10 | 2 | | | |
| 1 | -10 | 5 | 2 | | |
| 0 | -4 | 2 | 2 | |
| | 1 | -2 | 1 | |
| | | 0 | | |
 |
the Fractional part of the number is multiplied by the base of the new number system:
 |
| 0. | 6875*2 |
| 1 | .375*2 |
| 0 | .75*2 |
| 1 | .5*2 |
| 1 | .0*2 |
the result of the conversion was:
21.687510 = 10101.10112
answer: 21.687510 = 10101.10112