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pav-90 [236]
3 years ago
15

How to subtract hexadecimal number when one is bigger than the other?

Mathematics
1 answer:
Inessa05 [86]3 years ago
7 0
Hello,

In order to be simple: let's code hexadecimal numbers on 4 digits.

Example: 500-200=300 (in décimal)

500_{10}=01F4_{16}\\\\
200_{10}=00C8_{16}\\\\
For\ subtract\ 00C8\ we\ calculate\ 15th\ complement\\\\
C_{15}(00C8)=FF37\\\\

16th\ complement= FF37+0001=FF38\\\\

Then\ we\ add\\\\

01F4+FF38=(1)012C\ on\4\ digits:\ 012C\\

012C_{16}=300_{16}


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1/2in = 16 mi
2 3/4 in without whole numbers [(denominator ×whole) + numerator] / denominator
4×2 = 8 +3 = 11/4
Find common denominator for 1/2 and 11/4 (common D Is 4)
Multiply 1/2 by 2/2
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2/4 ×1/2 = 1/4
16 /2 = 8
1/4 = 8
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Multiply 8 times 11
88 miles (D)

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8/3
Make into whole number fraction
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2 2/3 in (B)

120 ft long
80 ft wide

24 in is scale of "long"
Divide 120 by 24
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If you have any trouble understanding feel free to let me know I will try to explain as best as I can :)
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