X 7 11 21 July 8, 2019 16 32 64 128 2 x 7 11 21 2 3 4 7 x 11 21 Frac x 7 + 11 21 7 x 11 )- 3x 21 2 7 x 21 11 as a fraction 11 5 x 7 )= 21 7 11 x 3 21 X 1 5 7 11 x 3 21 7 11 15 x 14 21 25 210 ( x 11 )= 7 21 x 29 x 7 11 24 21 x 11 7
