Сравните: 1) 1/3+2/7 и 17/21; 2) 1/8+5/12 и 13/24

Question

Сравните: 1) 1/3+2/7 и 17/21; 2) 1/8+5/12 и 13/24

Answer 1

1)1/3+2/7=13/21
1/3+2/7<17/21<br>
2)1/8+5/12=5/4
1/8+5/12<13/24