24 1/4 + 9 3/7 ='( х: 1 1) •5 7/12
24 1/4 + 9 3/7 = (х:11)* 5 7/12 97/4 +27/7 = х/11 * 67/12 787/28 = 67х/132 103884 = 1876 х 1876х = 103884 х = 25971/469 х = 55 176/469