48
48 divided by 6 plus 45 divided by 9 = 8 + 5 = 13
1/8 * 6 = 6/481/3 * 16 = 16/4813/16 * 3 = 39/486/48 + 16/48 + 39/48 = 61/4861/48 = 1 13/48
144
A case could be made for any of them, but let's go with 48. The pattern is doubled, plus three, doubled, plus three, etc.
13(j + 48) = 936 => j = 24.
48
48
48 divided by 6 plus 45 divided by 9 = 8 + 5 = 13
1/8 * 6 = 6/481/3 * 16 = 16/4813/16 * 3 = 39/486/48 + 16/48 + 39/48 = 61/4861/48 = 1 13/48
48/104 + 13/104 = 61/104
366
26/48 - 15/48 + 18/48 = 29/48
1/6 + 3/8 = ? 8/48 + 18/48 = 26/48 = 13/24
43/48 + 3/16 = 13/12 or 11/12
48
144