How To Add Fractions With Different Signs

let's talk about how to add fractions withnegative numbers. so remember first a little review on adding fractions. one fifth plustwo fifths. when you add fractions you need the bottom numbers to match up. that's calledthe common denominator. and then all you do is add the tops so one fifth plus two fifthsis three fifths. cause one plus two is three. and the fives don't add they just carry over.so one fifth plus two fifths is three fifths.

How To Add Fractions With Different Signs, now if you make them negative numbers youjust do the same rule it doesn't change anything. so lets say you have negative one fifth plusnegative two fifths is the exact same thing. you are still going to have the bottom asa five you are still going to add the tops except now it's going to be negative one plustwo so negative one plus two is one. negative

one plus two is one fifth. so negative onefifth plus two fifths is positive one fifth. so you follow the same rule but you just usethe negative or positive on the top. let's take a look at one more example. so let'ssay you have a three eights plus negative two eighths. same thing. the bottoms matchup so we are good. and then you add the tops. you do three plus negative two, three plusnegative two. so three plus negative two is again one coincidently. so you have one andthe denominator is stays. and that's how you add fractions even with negative numbers.