Question

11\14 plus 2\7 and since it makes me write extra characters here u go

Answer 1

15/14 or 1 1/14
Just change 2/7 to 4/14 and add.

Answer 2

11 2 (2)
—- + —- —-
14 7 (2)

11 + 4
—- —-
14 14

15 1
—- 1—
14 or 14