Ordering Fractions
Let's order these fractions from least to greatest:

, 

, 

Notice that the fractions have same denominators.
We know that if the denominators of fractions are same, the fraction with larger numerator is greater.
So, compare the numerators 1, 4, and 2.
Since 1 < 2 < 4,

< 

< 

So, the given fractions can be ordered from least to greatest as:

, 

, 

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.