Equivalent Fractions using Models
Equivalent fractions are different fractions that have the same value or represent same part of a whole.
Models represent equivalent fractions if they have the same shape, size, and shaded area.
In the first model, 5 parts out of 10 equal parts are shaded. So, it represents the fraction
5 10
.
In the second model, 4 parts out of 8 equal parts are shaded. So, it represents the fraction
4 8
.
Now, observe that both the models have the same shape and size. Also, the shaded part of the two models are same.
This means 

= 

. 
So, the models represent equivalent fractions.
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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.