1 3/4 * 1/6 = 7/4 * 1/6 = 7/24
(5 - 4/5) / (1 2/3-1/6) * (1 1/4 + 3/4 + 2 3/8) = 21/5 / 9/6 * 35/8 = 7/5 * 2/9 * 35/8 = 14/45 * 35/8 = 7/9 * 7/4 = 49/36
1 3/4 * 1/6 = 7/4 * 1/6 = 7/24
(5 - 4/5) / (1 2/3-1/6) * (1 1/4 + 3/4 + 2 3/8) = 21/5 / 9/6 * 35/8 = 7/5 * 2/9 * 35/8 = 14/45 * 35/8 = 7/9 * 7/4 = 49/36