if they are two positive numbers, do it normally.
If there is a negative and a positive, change it to addition and switch the SECOND integer sign. Only works with two integers in a subtraction question.
Example: (-32)-(+2)= (-34) / (-32)+(-2)=(-34)
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While solving problems with large integers, don't always rely on the number line. Using integer arithmetic we can solve the problem of large integer. We need a rule for subtracting integers and the rule is:
Rule: To subtract an integer, add its opposite.
To subtract integers u use kcc aka keep change change on the sighn and then u subtract normaly.
if the signs are the same you must add its opposite.
4/9 - 6/36
OVER 9000!
Subtracting two positive fractional numbers, or adding one positive and one negative integer.
45 /9+72 /-8 /3*4-4*6