What is 11 out of 12 times 13 out of 16 + 13 out of 12 times 1 out of 16 Simple calculation

What is 11 out of 12 times 13 out of 16 + 13 out of 12 times 1 out of 16 Simple calculation

(11/12) * (13/16)+(13/12) * (1/16)
=(13/16) *(11/12 + 1/12)
= 13/16 * 1
=13/16