4 х 7 28 July 8, 2019 16 32 64 128 4 x 7 28 4 7 x 28 0 4 7 x 28 1 4 7 x 28 16 4 x 7 )= 4x 28 1 4 7 x 287 4 over 7 x 28 4/7 = x/28