1 / 165 + 1 / 132 + 1 / 66 =7 / 75 + 2 / 105 + 1 / 165 =18 / 63 + 30 / 70 + 44 / 154 =42 / 30 + 51 / 85 + 22 / 55 + 21 / 105 =?
1 / 165 + 1 / 132 + 1 / 66 = 7 / 75 + 2 / 105 + 1 / 165 = 18 / 63 + 30 / 70 + 44 / 154 = 42 / 30 + 51 / 85 + 22 / 55 + 21 / 105 =.