8 15 x 3 7 July 8, 2019 16 32 64 128 15 8 3 6 x 5 7 8 x 7 )- 3 2x 9 )= 15 15 x 3 6 7 8 3 7 7 8 x 4 15 x 3 7 8 9 7 15 x 3 16 2 x 8 15 7 3 x 7 8 11 x 7 15 x 3 2 3 5 7 8 15 x 31 26 4 8 2 x 3 7 15 3 8 x 7 15 in its lowest terms 7x 5 2x 4 8 15 3 x 4x 15 8 3 x 5 8 2 2 7