15 = frac 5 8 x 1 July 8, 2019 16 32 64 128 Frac 5 8 cdot frac 2 5 8 5 ⋅ 5 2 Frac 15x-10 5 = -2 5/8 = 15/x Frac - 15 - 5 = −5 −15
