сократите дроби пожалустс​

1) 3/5; 2/3; 14/15; 1/8; 3/4; 1/4; 3/4; 1/8;

2) 1/2; 1/4; 2/5; 3/20; 3/13; 2/3; 1/3; 1/2;

3) 9/40; 1/20; 12/25; 7/11; 109/117; 7/8; 10/13; 2/23;