Addition of 15 and 6/1

The given input are 15 and 6/1

15 can be written as 15/1 in fraction format

The given fractions are 15/1 and 6/1

Firstly the L.C.M should be done for the denominators of the two fractions 15/1 and 6/1

15/1+6/1

If the L.C.M of the denominators of the both fractions 15/1 and 6/1 are same, the numerators are added directly taking the similar integer as the denominator

= 15 + 6/1

= 21/1

Result: 21/1