1) 7/12 и 5/8
НОК (12, 8) = 24,
7/12 = (7•2))(12•2) = 14/24;
5/8 = (5•3)/(8•3) = 15/24.
ответ: 14/24 и 15/24.
2) 2/9 и 4/15
НОК (9, 15) = 45,
2/9 = (2•5))(9•5) = 10/45;
4/15 = (4•3)/(15•3) = 12/45.
ответ: 10/45 и 12/45.
1) 7/12 и 5/8
НОК (12, 8) = 24,
7/12 = (7•2))(12•2) = 14/24;
5/8 = (5•3)/(8•3) = 15/24.
ответ: 14/24 и 15/24.
2) 2/9 и 4/15
НОК (9, 15) = 45,
2/9 = (2•5))(9•5) = 10/45;
4/15 = (4•3)/(15•3) = 12/45.
ответ: 10/45 и 12/45.