7 8 x 4 21 July 8, 2019 16 32 64 128 7 8 x 4 21 as a fraction 7 8 3 14 x 21 4 21 8 x 4 3 7 6 3 4 7 8 x 21 2 7 x 8 (- 14 (- 4 )) (- 21 4 7/8 x 2
