If the fractions do not all have the same denominator, find a common multiple of the denominators (ideally the lowest common multiple) and convert the fractions to equivalent fractions with this denominator.
Now with all the fractions with the same denominator, add together the numerators.
Finally, reduce the fraction to simplest terms, converting any improper fraction to a mixed number.
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the sum the sum
I have no idea what the "sum" of a fraction means.
if you are adding two fractions that are both greater than 1/2, what must be true about the sum?
The sum of a whole number and a fraction is called a mixed number.
For adding or substracting fractions first of all we should calculate the LCM( Lowest Common Multiplier) of the denominators in both of the fractions.