3 3/8 * 3 1/5 + 3 1/5 * 1 5/12 - 4 1/6 * 3 1/5 =
= 3 1/5 * (3 3/8 + 1 5/12 - 4 1/6) =
= 3 1/5 * (3 9/24 + 1 10/24 - 4 4/24) =
= 3 1/5 * 15/24 =
= 3 1/5 * 5/8 =
= 16/5 * 5/8 =
= 16/8 = 2
