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To add (or subtract) like fractions, add (or subtract) the numerators, and put the result over the common denominator.
For example, let's find the sum:
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Observe that the denominator is same in both the fractions.
So, add the numerators, and put the obtained result over the common denominator.
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= |
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Now, simplify:
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= |
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| So, |
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.
