If the fractions have the same denominator, just add or subtract the numerators.
13/20 - 9/20 = 4/20
2/5 + 1/5 = 3/5
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Similar fractions are fractions with the same denominator. In order to add or subtract fractions they need to be similar.
similar-a similar radicand is to add or subtract similar radicals we simply add and subtract there coefficients and Anex to the sum of their common radical part.
You need common denominators. Then add or subtract the numerators. If the answer is an improper fraction it is common practice to reduce it to a mixed number.
just add , subtract , multiply , and , divide
Make it into an both numbers an improper fraction and then do the opperation.