Add Fractions with Unlike Denominators
Use least common denominator to find the sum of fractions with unlike denominators.
For example: Let's find the sum of:
|
and |
|
Notice that 28 is the common denominator.
First of all, rewrite both the fractions having common denominator 28.
Multiply the numerator and denominator of |
|
by 4 to find an equivalent fraction. |
|
× |
|
= |
|
Multiply the numerator and denominator of |
|
by 7 to find an equivalent fraction. |
|
× |
|
= |
|
Now add fractions. Add numerators and keep denominators the same.
|
+ |
|
= |
|
+ |
|
= |
|
is written in simplest form. |
So, the required sum is |
|
. |
ds
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.