4 · 2 5/2 = 8 5/2 = 8 + 2.5 = 10.5
5 3/8 ÷ (-16) = -43/8 ÷ (-16) = -43/8 * (-1/16) = 43/128 = 0.3359375
4 · 2 5/2 = 8 5/2 = 8 + 2.5 = 10.5
5 3/8 ÷ (-16) = -43/8 ÷ (-16) = -43/8 * (-1/16) = 43/128 = 0.3359375