Сократите дроби 56/91; 65/125; 121/165; 1260/1980; 16х10х18/70х12х24; 15х35х21/75х49х14;...

Question

Сократите дроби 56/91; 65/125; 121/165; 1260/1980; 16х10х18/70х12х24; 15х35х21/75х49х14; 8х7+5х7-2х7/121

Answer 1

8/13, 13/25,11/15,7/11,12/7, 3/14, ...=7(8+5-2)/121=7/11