8/5-5/12×3/25 Ответ несократимой дроби

8/5 - 5/12 × 3/25 = 1 11/20. 1) 5/12 × 3/25 = (5 * 3)/(12 * 25) = (1 * 3)/(12 * 5) = (1 * 1)/(4 * 5) = 1/20. 2) 8/5 - 1/20 = (8 * 4)/(5 * 4) - 1/20 = 32/20 - 1/20 = (32 - 1)/20 = 31/20 = 1 11/20. Ответ: 1 11/20.