(7 3/16 - 5 1/4x) + 3 3/4 = 9 1/16 знаю только что ответ: 5/14

91 1/6+ 3 5/18=91 3/18+3 5/18=94 8/18 = 94 4/9

1 4/15 + 2 3/20= 1 16/60+ 2 9/60=3 25/60= 3 5/12

5 1/8 + 41 7/12= 5 3/24+41 14/24= 46 17/24

39 5/6 + 12 5/9= 39 15/18 + 12 10/18= 51 25/18=52  7/18

36 5/7 + 12 7/8= 36 40/56+12 49/56 = 48 89/56= 49  33/56

5 2/3 + 3/4= 5 8/12+9/12=5 17/12= 6  5/12

4 + 3 3/7= 7  3/7

8 7/9 + 3 = 11 7/9