1 1/14 times 3 7/15
1 + 1/14 = 15/14
3 + 7/15 = 52/15 ....so we have.....
(15 / 14) ( 52 / 15) = [swap the denominators]
(15 / 15) * (52 / 14) =
1 * ( 26 / 7) =
26 / 7