Mariapayne625idn
Answered

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How to add/ subtract rational number?

Sagot :

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☆Addition
¤ To add two positive or negative number the sign number of the sum is the sam
¤ If you add two different signed number you must subtract it
¤If however you add two different signed number look at what is the greater number and copy its sign to your sum

☆Subtraction
¤If your numbers is the same sign just subtract it and copy the sign
¤If your numbers sign is different change the operation to additiom and change your subtrahend to the opposite sign
¤ If however there are three more factors count the factors negative number and if it is odd it is negatibe and if even positive
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