= 6/ 13x 6/29+ 1/ 13x 6/29+6/ 13x 22/29
= 6/ 13x 6/29+6/ 13x 1/29+6/ 13x 22/29
= 6/ 13x(6/29+ 1/29+22/29)
=6/ 13x29/29
=6/ 13x 1
=6/ 13