найдите значение выражения а) (3 3/5-2 1/15)*5 б) (1 14/17-1 1/34)*34 срочно

(3 3/5 - 2 1/15) * 5 = (3 9/15 - 2 1/15) * 5 = 1 8/15 * 5 = 23/15 * 5 = 23/3 * 1 = 23/3 = 7 2/3(1 14/17 - 1 1/34) * 34 = ( 1 28/34 - 1 1/34) * 34 = 27/34 * 34 = 27