Приведите дроби к наименьшему общему знаменателю а)3/2 и 5/7 б)5/4 и 4/3 в) 2/7 и 8/11 г)1/4 и 9/25 д)3/10 и 1/3

а) 3/2 и 5/7 = (3 * 7)/(2 * 7) и (5 * 2)/(7 * 2) = 21/14 и 10/14;

б) 5/4 и 4/3 = (5 * 3)/(4 * 3) и (4 * 4)/(3 * 4) = 15/12 и 16/12;

в) 2/7 и 8/11 = (2 * 11)/(7 * 11) и (8 * 7)/(11 * 7) = 22/77 и 56/77;

г) 1/4 и 9/25 = (1 * 25)/(4 * 25) и (9 *4)/(25 * 4) = 25/100 и 32/100;

д) 3/10 и 1/3 = (3 * 3)/(10 * 3) и (1 * 10)/(3 * 10) = 9/30 и 10/30.