342. Найдите значение выражения: 4) 5 1/16 - 1 1/8 * (5/6 + 3/14)

4) 5 1/16 - 1 1/8 * (5/6 + 3/14) = 81/16 - 9/8 * (35/42+9/42) = 81/16 - 9/8 * 44/42 = 81/16 - (9/8*22/21) = 81/16 - 198/168 = 81/16 - 33/28 = (81*28 - 16*33)/448= (2268 - 528)/448 = 1740/448= 435/112 = 3 111/112