Выполните действие: 3/4-1/3; 1/8+1/4

Question

Выполните действие: 3/4-1/3; 1/8+1/4

Answer 1

3/4-1/3=5/12
1/8+1/4=3/8

Answer 2

3/4-1/3=9/12-4/12=5/12

Comments

1/8+1/4=1*8+2/8=3/8