(24 4/15-x)-17 6/15=2 23/25
(24 4/15-х) - 17 6/15= 2 23/25 24 4/15-х= 2 23/25+17 6/15 приводим к общ знам75)2 69/75+17 30/75 24 4/15-х= 19 99/75= 20 24/75 х= 24 4/15- 20 24/75 ( общ знам 75) 24 20/75- 20 24/75= 23 95/75-20 24/75 х= 3 71/75