Question

4/5+1/8

7/10-2/3

2/7+5/21

16/27-1/9​

Answer 1

Ответ:

Пошаговое объяснение:

4/5+1/8 => НОК(5;8)=40 =>  32/40+5/40 = 37/40;

7/10-2/3 => НОК(10;3) => 21/30-20/30 = 1/30;

2/7+5/21 => НОК(7;21) = 21 => 6/21+5/21 = 11/21;

16/27-1/9​ => НОК(27;9) = 27 =>16/27-3/27 = 13/27.