Answer:

Option a -  

Step-by-step explanation:

Given : Fractions

To find :  The smallest fraction which each of fractions will divide exactly is?

Solution :

First we find the LCM of the fraction,

The LCM of fraction is given by,

Numerators are 6,5 and 10.

LCM of Numerator = 30

Denominators are 7,14 and 21.

HCF of Denominator = 7

Substitute in the formula,

Therefore, The required smallest number which will divide exactly is

So, Option a is correct.

Verified answer