Add and Subtract Fractions with Related Denominators
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To add (or subtract) unlike fractions, first change them to fractions with same denominator. Then, add (or subtract) the numerators and put the result over the common denominator.
For example: Let’s add the fractions
1 2
and
1 4
.
Notice that the denominators of both the fractions are not the same.
So, let’s change them to fractions with same denominator.
Find the equivalent fraction of
1 2
having denominator 4.
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Now, add the fractions. Add the numerators and put the obtained result over the common denominator.
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| So, |
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ds
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
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.