20/15. 4/3.
2/5. 6/7
8/5. 9/4
5/6. 4/7
20/15. 4/3.
2/5. 6/7
8/5. 9/4
5/6. 4/7
1) 20/15; (:5);
20/15 = 4/3;
4/3 = 4/3.
2) 2/5 ; 6/7; (m c d = 35);
14/35 < 30/35.
3) 8/5; 9/4 ; (m c d = 20)
32/20 < 45/20.
4) 5/6, 4/7; (m c d = 42);
35/42 > 24/32.
Ciao @antonio10