X 7 9 21 July 8, 2019 16 32 64 128 3 7 x 21 9 7 5 x 9 21 7 x 9 21 36 7 9 x 21 10 7 9 x 21 10 in simplest form 7 9 x 21 10 as a fraction 2 x 3 7 9 21 7 9 x 3 21 simplified 7 18 x 9 21 simplified 7 18 x 9 21 12 21 x 7 9 1 7 9 x )+ 6x 21 8 21 x 7 9 x 3 4 218 7 x 9 (- 7 x 9 21 )= 35
