The same as with positive ones. Make sure they have the same denominator and add or subtract their numerators.
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Make the fractions equivalent then subtract
no, to add and subtract like and unlike fractions the denominator has to be the same,
In fractions, you can NEVER add or subtract
Subtracting a negative fraction is the same as adding its positive equivalent.
Because you can't add or subtract fractions that have different denominators. Making them like fractions, by multiplying so the denominators are the same, you can add and/or subtract them.