Make the fractions equivalent then subtract
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no, to add and subtract like and unlike fractions the denominator has to be the same,
You have to convert them to equivalent similar fractions (fractions with the same denominator) first.
In fractions, you can NEVER add or subtract
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.
Numerators