Question

if  two fractions have same numerators and diffrent denominators,suppose 1/3and 1/4 , so how we will add them? 

Answer 1

they will be added by taking lcm (lowest common multiple) of the denominator

1/3 + 1/4
lcm of 3 and 4 is 12
so,
4/12 + 3/12
7/12  ans