Equivalent Fraction Patterns
Equivalent fractions are different fractions that have same value or represent same part of a whole.
Equivalent fractions can be created by multiplying or dividing both the numerator and denominator by the same number.
For example: Consider the fraction
4 8
.
We can obtain a fraction equivalent to
4
8
by dividing the numerator and the denominator by 4.

= 

We can also obtain another fraction equivalent to
4
8
by multiplying the numerator and the denominator by the same number, say 2.

= 

Here, 

= 

= 

. 
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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.