A 4 7 2 3 July 8, 2019 16 32 64 128 A 4 7 x 2 3 1 5 4 7 2 3 in fraction 4 7 2 3 5 (- 4 7 2 3 6 1 4 7 2 3 1 5 4 7 2 3 1 4 7 2 3 5 6 4 7 2 3 6 4 7 a b 2 3 A 4 3a 2 7 2 4 7 x 2 3 as a fraction