2 - frac - 9 10 July 8, 2019 16 32 64 128 - frac 2 9 x 7 10 Frac 2 9 times frac 10 63 Frac 1 2 div frac 9 10 Frac 2 9 times frac 9 10 $7 frac 1 2 div 1 frac 9 10 =$ Frac 2 3 - frac 1 2 Frac 2
