1 4 7 x 1 4 7 July 8, 2019 16 32 64 128 4 1 7 x 4 1 7 as a fraction 4 7 x 1 4 )= 3 7 1 x 4 1 x 7 11 30 x =- 4 7 4 2x 1 4 )-( x 1 )= 7 x 2 7 1 4 x 7 7 1/4 x 4