4 7 x 1 5 x 7 9 July 8, 2019 16 32 64 128 4 7 x 1 5 x 7 9 as a fraction 4 1 x 2 9 x 7 5 7 98 5 x 7 = 35 4/7 x 5 4 5/7 x (-6 5/7)
