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You first convert them to similar fractions, i.e., to fractions that have the same denominator.* Step one: find a common denominator.

* Step two: convert both fractions to equivalent fractions that have that denominator.


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Find a common denominator, then convert the fractions in terms of the common denominator, then add or subtract the numerators and finally reduce the resultant fraction.

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9y ago
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Q: How do you add or subtract dissimilar fractions?
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