Decompose Fractions into Unit Fractions
A unit fraction is a fraction in which numerator is 1.
| Let's decompose | 
 | as a sum of unit fractions | . | 
Make a model to identify the sum of the unit fractions.

This model represents a whole divided into 7 equal parts.
| Here, each part represents the unit fraction, | 
 | . | 

 
| Now, select 3 parts to represent the fraction | 
 | . | 

| So, | 
 | = | 
 | + | 
 | + | 
 | . | 
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.
 
               
                 
                     
                    