Rules of Subtracting Negative Numbers
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Rules of Subtracting Negative Numbers
Negative numbers are the numbers which are smaller than the number zero.
There are certain rules Of Subtracting Negative Numbers.
When any number is subtracted from any number, the sign of number to be
subtracted will be changed. Thus if we write subtract `a' from `b' we mean b  a.
Now it can be expressed mathematically as subtract 3 from 5 we write it as 5 
(3) = 5 + 3 = 8.
Here the number to be subtracted is 3. So we observe that we get two negative
numbers which becomes a positive number +3.
Hence we observe that when a negative number is to be subtracted from any
number, it becomes a positive number.
Know More About Distribution Property of Real Numbers Worksheet
Here we come to the conclusion that the first number from which we subtract
the number is a positive number, and then the resultant number will be the sum
of the two numbers.
On other hand if the number from which we subtract the given number is a
negative number, then we come to the conclusion that the first number is a
negative number and the sign of the second number changes to a positive
number.
Hence first number is a negative number and the second number is a positive
number thus the resultant number is the difference of the two numbers. The
sign of the larger number will be applied.
Let us take another example to understand the concept more clearly. If we write
subtract 4 from 7. We say that it will be written as 7  (4) = 7 + 4 = 3.
Here the sign of the number (4) will change to positive. So one number
becomes 7 and another becomes positive (4). Thus the difference between the
two numbers is calculated which comes out to be 3. Now since among 7 and 4,
3 is the larger number which is a negative number. Thus the resultant number is
a negative number.
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