Transfer 415.52 from decimal in octal number system

Translate the number 415.52₁₀ в octal like this:

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

415	8
-408	51	8
7	-48	6
	3

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

	0.	52*8
	4	.16*8
	1	.28*8
	2	.24*8
	1	.92*8
	7	.36*8
	2	.88*8
	7	.04*8
	0	.32*8
	2	.56*8
	4	.48*8

the result of the conversion was: