Frac 2x 7 - 3 2 July 8, 2019 16 32 64 128 Frac 8x 7 - 2x 3 + 2x 2x 2 cdot 3 large frac 2x 7 30 Frac 7 Frac 2 3 Frac 2 3 - frac 1 2 Frac 2 Frac 2x 5 + frac 7x 5