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3 3/23 * 4 1/6 + 2 2/3 * 4 1/6 - 5 5/23 * 3 1/6 = 7 131/207 3 3/23* 4 1/6 =13 1/23 2 2/3 *4 1/6 = 11 1/9 5 5/23 * 3 1/6 = 16 12/23 13 1/23+ 11 1/9 = 24 32/207 24 32/207 - 16 12/23 =7 131/207