Dividing Fractions by Fractions

Dividing a fraction by another fraction is same as multiplying by its reciprocal.

a
b
÷
x
y
=
a
b
×
y
x

For example: Let's divide the given fractions.

2
3
÷
5
7

 

2
3
 ÷ 
5
7
 = 
2
3
 × 
7
5

Multiply the numerators with each other and the denominators with each other.

2
3
 × 
7
5
 = 
× 7
× 5
 = 
14
15
             
So,
2
3
 ÷ 
5
7
 = 
14
15





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.