Question

Вычислить: 3/8+4/9=?; 2) 7/12-3/8=?.

Answer 1

1)3/8+4/9=1/2+1/3=1/6
2)7/12-3/8=7/4-1/8=14-1/8=13/8

Answer 2

3/8+4/9=27/72+32/72=59/72
7/12-3/8=14/24-9/24=5/24